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All the color drained from the stallion's face as he watched his nice, lovely, honest sister pour the contents of her balls into his wife's pussy right in front of him. The light suction of Belle's mouth on top of his own cock felt like a sick joke when contrasted with AJ's unbelievably brazen act. To the last moment he couldn't believe what was happening before his eyes, hoping against all hope that she was simply fooling around and only pretending to dump a fat load of jizz inside Belle's womb. Unfortunately, there was no mistaking the relaxed expression of post-fuck bliss upon Applejack's face - he very much doubted she could fake something like that. Only now, as her gaze fell lazily onto his displeased face, the realization of how much she'd offended him finally began reaching into her sex-crazed mind.

"Don't tell me ya actually did it, AJ," his voice sounded unnaturally soft. It wasn't loud or angry, but it missed that spark of life that gave his speech its warm, friendly timbre. The only thing that separated it from being openly hostile was the tiny infusion of hope that things weren't as they seemed.

"Oh, come on, brother, ya aren't mad at ya little sister, are ya?" She dared to answer with a smile, but Mac's expression only grew dimmer. As she pulled her cock out, her jizz began leaking out of Belle's entrance, a few globs falling down to the ground with an audible splash.

"Applejack." He looked her straight in the eyes. "What in Tartarus ya've been thinking? How could ya do me like this?"

"Ah... Ah didn't thi..." She stammered out as a tsunami of emotions covered her face. Pain and pleasure, guilt and insolence, all mixed together upon it. "Ya didn't say Ah couldn't!"

The weak excuse didn't impress her brother. "Did Ah really have to spell that out? Ya can't understand on ya darn own that ya can't just pump ya seed into mah wife?!" Mac felt his voice rising like it rarely had before. He couldn't even remember the last time he was this enraged, and with his own sister no less.

"Honey, please... we can work it out," a sweet, tender voice came from below. Sugar Belle's orgasmic joy had already turned to worry, and now she was looking at her stallion with grave concern. "I'm sure Applejack didn't mean to do it. She just got lost in the moment, didn't you AJ?"

"Ahh... yeah." Applejack looked down sheepishly. "Ah'm terribly sorry, brother. Ah don't know what has gotten into me. It's all mah fault."

AJ was lucky that Mac had a massive weakness for his dear Belle. Just the sound of her voice was enough to bring his anger down. But it didn't mean he was going to simply let his sister forget about her offense. His features relaxed, yet the fire still remained smoldering within him.

"Ya sure have a habit of testing mah patience," he sighed, waving his head.

In response, Applejack allowed the corners of her lips to stretch up just a bit.

"Ah haven't forgiven ya yet," the stallion's words quickly cut the movement short. "Ya'll have to make it up to me, and not just with ya loud mouth."

"What about mah throat then?" Applejack opened her maw wide and pushed her tongue out, showing off the view inside while her hand rubbed her neck. "Would that be enough to earn ya forgiveness?"

"Ah'm not joking, sis."

"Ah'm not joking either. Big brother." This time nothing could stop a playful smirk from running across the mare's lips. Mac's stern gaze was partially disarmed by his uncertainty of whether she had truly meant what he reckoned she had, while Applejack's lewd, submissive gesture made his cock throb way harder than he expected. The thought of submerging his tool deep inside her mouth seemed surprisingly appealing at this moment.

But he had not time to dwell on that as there was a much more important matter for him to attend to.

"Do whatever ya want, AJ. We'll handle it later. Right now, Ah've got a mare that needs mah attention," He concluded, turning his head away from Applejack. The harshness of his tone showed that he would accept no continuation or contradiction.

Applejack stood back, giving her softening cock an occasional lazy stroke while Big Mac took his place on top of Belle. The mare was on her back now, facing him with a warm, slightly apologetic smile. It was clear that she felt guilty for enjoying Applejack's jack-hammering so much, for cumming at the same time as Mac's sister had. The stallion had indeed been filled with an uncanny mix of indignation, envy, and exhilaration when he watched AJ pound Belle's cunt into an explosive orgasm before he ever had a chance to do the same. But he couldn't be mad at her for liking it, or at his sister for giving Belle the pussy-smashing she deserved. Honestly, somewhere deep inside, he actually kind of enjoyed seeing it, even if he would never willingly admit it.

All the bad feelings would be easy to ignore, if only Applejack hadn't carried it too far. She crossed the line he never expected her to cross and left Belle with a massive creampie, quite possibly impregnating her in the process. Now Belle's pussy was filled with her jizz, and Mac could distinctly see and feel that as he pushed his cock inside. He contemplated draining Applejack's cum before starting out, but that would require Belle to stand and wait until the spunk drooled out of her cunt, and Mac really didn't want to subject her to that. It would just be an unnecessary, embarrassing distraction for all of them.

One thing that gave Mac some solace was that Applejack had really done her job well, stretching Belle's pussy so wide that he now had no problems penetrating it with the giant round tip of his equally giant dick. Whatever else, AJ had always been a dutiful mare. The warm lube she'd so kindly added made the process even easier for Mac, though that hardly justified its presence.

The thick liquid slowly enveloped his cock as he pushed himself in deeper, forming a slick, gooey layer around his shaft. "Here ya go, brother, Ah've made it extra smooth for ya," Applejack would've probably commented, if she hadn't been wary of offending him. But now she didn't even need to do it, as the mocking thought appeared inside his head all on its own.

"You're so big, love." It was Belle who had spoken instead, pulling Mac's attention away from the slippery warmth of his sister's jizz, if only for a few moments. The mare's mouth hung open, her muscles stiffening as he fed more and more inches of his cock into her pussy. Even after Applejack had thoroughly ravaged her, Belle still struggled to adjust to Mac's massive shaft.

"Ah'm gonna go slow," he promised her.

"I know." Belle wrapped her arms around his powerful torso. "I've wanted this for so long. Give me all you've got." She kissed his lips, their tongues connecting for a brief moment.

Big Mac continued on. Periodically, he would pull his hips back just a bit, spreading out Belle's tunnel with a few short thrusts and then pressing forward once again. The hot, soft walls of her pussy embraced his shaft, the delightful friction stimulating every submerged inch of his throbbing red flesh. And with Mac's huge size all those inches quickly added up, as every one of them sent a continuous stream of pleasure into his brain. He wasn't certain if the enormity of his cock would multiply all the sensations it received, but right now it sure seemed like that. Used as he was to getting blowjobs that covered only a small portion of his dick, the all-encompassing grip of Belle's marehood made his cock feel absolutely divine.

But at the same time, it also made him all the more aware of the slippery filling that not too long ago had been inside his sister's dark orange balls. This plentiful lube would've felt great, if only he wasn't so inescapably conscious of its origin. The viscous liquid enveloped every bit of his cock-flesh, leaving its mark upon every sensation he experienced, constantly reminding him that Applejack had emptied her nuts into the pussy he was now fucking.

Luckily, even that wasn't enough to overpower the raw pleasure of hilting his cock inside his mare. Neither did it seem to affect Belle. The happiness upon her face was all the reason he needed to keep going, her trembling moans rousing and energizing him. Her hands danced around his back, rubbing his muscles, pressing into his fur, while her fat tits served as nice soft cushions for his chest. They brushed across his pecs, stiff nipples rubbing across his skin. Underneath her breasts, her light yellow dress still remained upon her body, the fabric bunching up beneath her mounds and above her crotch, reduced to covering her middle section and nothing more.

Mac finally bottomed out inside Belle, the entire length of his shaft safely hidden within the stretched-out depths of her cunt. His big, cum-filled balls were parked next to her thick plot, their massive weight threatening the squishy flesh with a hell of a beating. Fortunately, Belle had more than enough fat in her cushy buttcheeks to soften the incoming blows. The stallion's sack lagged behind the movement of his cock just a bit as he slowly pulled out half of his length and prepared for the next incursion. His shiny red orbs swayed softly underneath his crotch after he had stopped. But before they had the time to come still on their own, Mac pushed his hips forward and sheathed his cock once again, giving a light bump to Belle's ass.

He began with slow, cautious thrusts, carefully studying the mare's face for any sign of discomfort. With great girth came great responsibility, and his responsibility was greatest of all. Every little movement of his hips drove his monstrous cock through Belle's tunnel with potentially catastrophic consequences. It would be so easy for him to completely ruin her, to break all resistance with a vigorous pounding he knew his hips could provide. But he would never be able to forgive himself if Belle had to endure such pain and discomfort when it was totally possible to avoid it. No matter how much his haunches wanted to fly forward and smash his dick inside, he kept control, steadily spreading out Belle's pussy, preparing her for the time when he would finally let his natural instincts take charge.

In the meanwhile, the pair had plenty of space to rub noses and trade spit. Whenever Sugar Belle wasn't suckling on Mac's tongue, she was kissing and licking every part of his face her lips could reach, leaving little trails of drool across his cheeks, chin, muzzle, and even his ears. At the same time, she rocked her chest underneath him, rubbing her tits into his bulging muscles. Her huge breasts turned out to be just the perfect pillows for softening the stallion's recline. Two big squishy milk jugs full of raw feminine appeal stood up against a steel-strong wall of masculinity descending upon them. They could only cushion and appease his hardened body, but never stop it. The power to stop was in Mac's hands, and he utilized it with all the care that Belle had entrusted to him. Pinned underneath him, she was completely powerless before his superior might, his hulking frame restricting her movement to the bare minimum. Yet there was no need for resistance, as his mind and heart were already hers.

The pleasant softness of her body rubbing against his own made him all the more mindful of her comfort, especially when his hips began picking up pace. His thrusts grew strong enough to cause Belle to jiggle underneath him, creating even more friction between their closely-pressed flesh.

"I love you, Mac," she whispered in between moans and labored breaths. "I love you soooo much. Nnngh..." Her hands trembled on his back as he plunged inside her. "I want you to make me yours. Want you to fuck my cunt so hard it'll forever remember your cock. Will you do that, honey?"

"Yes, sugar." He kissed her. "Ah'm gonna give ya a proper pounding." A quick, hard thrust followed, emphasizing his promise in a way Belle would surely appreciate.

"Fuuuck... I love you! Do that again! Turn my pussy into a gaping mess! Aaaah!" Her face contorted in pleasure, tongue lolling out and speech breaking off as her vocal cords let out the pent-up pressure.

Big Mac smashed his pelvis into her crotch with a pleasured groan of his own. Belle's lewd words always brought up the most intense feelings from within him, the dirty suggestions giving him goosebumps when spoken in her angelic voice. It seemed so wrong for such crude things to come out from between those pretty pink lips, and even worse for such terrible, perverse notions to be nurtured within her kind heart. Yet that's exactly what made his cock throb the hardest.

Now that Belle had given him the go-ahead to wreck her cunt, Mac could no longer stop his hips from flying back and forward with ever greater speed. He was picking up pace with every thrust, constantly keeping Belle on the very edge of her capacity to withstand the immense dick-pressure within her. His hefty balls swung like a pendulum and spanked her ass, again and again, each orb leaving an impact on her fat, wobbly rear.

The experience was so breathtakingly amazing for both of them that Mac almost forgot about the constant overshadowing presence of inordinate amounts of Applejack's cum-lube. Unfortunately, that sweet obliviousness wasn't meant to last. As if the feeling of her jizz sloshing around his cock wasn't already enough, the loud squelches that followed his movements now added another demeaning stroke to the picture. Every time he thrust his hips, wet squashes whizzed out from the depths of Belle's pussy, grating heavily on his ears. Some of them were so noisy and so unbelievably filthy that he couldn't help but cringe.

There could be little doubt that Applejack's treacherous dick was twitching after each nasty sound that her jizz produced, joyfully reliving the time it was inside Belle's cunt. Mac even felt the stench of her cum when he breathed in, or so it now seemed to him. He inhaled once more, and to his horror the offending smell of fresh sperm appeared to grow stronger yet. Belle suddenly raised her eyes, looking up somewhere beyond his face in surprise. That's when two thick orange legs finally came into his view, completing the picture.

Mac abruptly stopped his thrusts and raised his head. Applejack smiled at him apologetically, though that hardly excused the unexpected interruption, or how close her erect cock now was. The tip was less than a foot away from Belle's face, still coated in jizz and exuding a powerful, nasty smell that made Mac scrunch his nose.

"Sorry, big brother." Applejack slowly stroked her dick. "Ah was just thinking maybe ya could help me blow a second load?"

"AJ, have ya lost ya mind?" Big Mac couldn't believe the gall. His frustrations with her threatened to explode into something very ugly. How could she possibly think asking for this right now was a good idea?

"Please, Mac... Ah really need it. Ah just can't help it..." She stepped even closer, her drooling cockhead bobbing threateningly near to Belle's face, the mare's eyes focused on the wet tip looming over her.

Mac felt anger boiling up within him. The sheer shamelessness of his sister's actions after all she had already done was tearing apart the remnants of his brotherly affection.

"Stop it!"

Applejack froze in place. The only movement was a mighty jerk of her shaft, a big glob of pre flowing out from her slit and descending to the ground, nearly touching Belle's mane on its way down. There was a strange, neutral but slightly pleased expression upon Applejack's face, almost as if she was daring Mac to scorn her even more.

If that's what she wished for, she was definitely going to get it now.

"Ya've pushed yer luck far enough, sis," the stallion growled, thrusting himself up into a vertical position and looking at her with contempt. "Can't keep yer cock down? Go kiss mah flank and jerk yerself off then. But don't dare interrupt us again, or ya gonna make me really mad. Ah'm not giving ya any more warnings. Did ya catch me, Applejack?" He pinned her down with an eagle-eyed stare, waiting for an answer.

AJ retreated, taking her hands away from her cock and locking them behind her back. A nervous gulp traveled down her neck.

"Ah gotcha, Mac." She bowed her head and walked around the pair. Her shaft bobbed heavily in front of her, still hard and throbbing.

Big Mac followed Applejack with his gaze, lowering himself down and preparing to continue his business with Belle. But to his surprise, AJ didn't leave them. Instead, she stopped next to his rear and got on her knees, pursing her lips and pressing them squarely into his cutie mark.

Mac was so dumbfounded he forgot his anger. "Whatcha doing, AJ?"

"Ya told me to kiss yer flank, didn't ya? So that's what Ah'm gonna do." She placed another kiss, shifting closer to his asscheek.

"Ah didn't mea-..." he began, but then stopped himself, unwilling to get into another argument. If that's what his sister really wanted to do, he wasn't going to interrupt her. Whatever mischief she might've had in mind, if any, she was still the one kissing his ass, so why should he care? After all the things she has done, he definitely didn't mind the feeling of her lips upon his rear. Really, this was the least she could do to repay her transgressions!

"Hmmph... whatever."

Mac turned away from her, returning his attention to Belle. As soon as their gazes met, she pulled him into a kiss, her hands running across his muscles, her soft breasts squishing into his chest.

"Hnngh... I've never heard you talk like that. It's so fucking hot," she whispered, gushing over him, sucking his tongue and swallowing his spit, her eyes full of devotion and lust. "Fuck me as hard as you can, love. Treat me like you own me. Don't restrain yourself."

Truth be told, that notion of ownership just made Mac cherish her all the more. He took great care with his things, after all, especially ones as fine and delicate as his dear Belle. But how could he not treat her to the best pounding of her life when she asked him so nicely for it?

The wrath at his sister was still stirring within him, which made rash, aggressive deeds seem unusually appealing. As soon as Belle made her point, his hips seemed to thrust forward of their own accord, plunging his cock deep inside and hitting the mare's cervix. One exceedingly satisfied moan later his body was repeating the motion, quickly pulling back and then slamming forward even quicker.

Mac let his instincts take control, following the pleasure that spread through his groin before the judgment of his mind. It was easy to do that when Belle's moans rang in his ears, looking at her ecstatic open-mouthed expression, eyes bulging out in pleasure.

Even beyond the intense satisfaction of repeatedly plunging inside the mare's tight, hot, dick-milking tunnel, Mac could feel the subtle but distinct touch of AJ's lips on his ass. The constant movement of his hips made her self-imposed task more complicated, but she didn't seem to back off one bit. On the contrary, she kissed and licked his big masculine behind with much greater devotion than Mac would've ever expected. Her nose rubbed against his flank as he thrust it back and forward, while her tongue soaked his cutie mark in drool. He could feel the moist appendage running up and down along his thigh and buttcheek, leaving a wavy trail of spit on his fur.

In any other situation, it would only be a bizarre distraction at best. But right now it seemed like quite an appropriate addition, stroking his feelings of justified outrage and making his cock twitch and tingle. He actually enjoyed his sister's humiliation, Mac was forced to admit. But could anyone blame him? He certainly won't blame himself. It was Applejack's own fault really. After all the pleasure she partook in at his expense, he won't try to stifle his own. In fact, he'll do the opposite, enjoying the moment to the fullest, and his sister's subservience in particular.

Just to rub it in a little further, Mac wagged his tail from side to side, hitting Applejack across the face. The orange hairs slid across her features, some momentarily sticking to her tongue, while others tickled her nose. He kept at it, his tail striking her each time he pushed his hips forward, but Applejack remained in place, letting it brush across her cheeks while she licked his backside.

The sensations were seemingly insignificant next to the avalanche of throbbing pleasure stemming from his cock, yet it were these little things that amplified his glee to the extreme. They served as a great relief for his pent-up frustrations with his sister. Even if each swing of his tail that smacked her face was only barely perceptible to the stallion, that was still enough to produce a pleasant tingling in his huge, wobbling balls.

Those great red orbs were now hitting Belle's butt with near maximum force too, their impacts strong enough to produce audible smacks. Mac wasn't just thrusting anymore - he was jackhammering her pussy with his massive cock, each push resulting in a loud, melodic moan.

"Cum inside me, honey. Fill me up with your foal batter. I know you want to do it."

Mac felt his control slipping, orgasmic pleasure spreading through his crotch. It was impossible to keep it at bay when Belle herself was asking him to surrender to his feelings. She surely knew that he was close and what kind of effect her words would have on him. He managed to delay his climax only for a little while, slowing down his tempo and instead going for several hard, powerful thrusts, driving the full length of his giant cock into her spasming cunt. That way, he could turn up the speed and ferocity of his movements as high as possible for the final stretch.

And boy did he deliver. In one turning moment, all of the apple-bucking strength of his hips was put to use in destroying Belle's cunny. Rapidly burrowing into her tunnel, battering her cervix like a ram, his massive cock had become a true pussy-wrecking menace that made the mare's brain short-circuit from the intensity of her sensations. She couldn't even scream, instead she let out high-pitched ah's and oh's in rhythm with Mac's thrusts like a pony-sized squeaky toy.

He kept pounding for as long as he could, prolonging their gratification until neither of them could take it anymore. When he hilted inside Belle for the last time, he suddenly noticed that Applejack had switched her lips from his ass to his trembling orbs. As her tongue began massaging the back of his sack, the load that was already rising from within his balls rushed out with unbelievable force.

A deep involuntary groan escaped his mouth when the first of many shots of his thick, hot seed exploded from his cockslit, and through the mind-numbing haze of his release he saw Belle's eyes open wide. After the second and third long voluminous cum-blasts, her fucked-stupid grin turned into an orgasmic 'O', her pussy thrashing around Mac's shaft as his steaming jizz spread throughout her tunnel.

With just the first few shots Mac had already launched almost as much spunk into her cunt as Applejack did during her whole climax, and yet this had been just the beginning. More and more sperm streamed out of his cum-tube, filling every nook and cranny within Belle's depths. Not even the tiniest of spaces managed to evade that fate - the stallion's cock and his nut-goo completely dominated the place. And when there was no more room to fill, his cum spurted out of Belle's pussy, leaking out in big, clingy globs, covering his balls, white gloopy ropes stretching down and breaking off to fall on the ground. The rush of his jizz washed out Applejack's load, though some of it mixed in with his own, the sperm of the two siblings swimming side-by-side through the thick primordial soup nurtured within their overproductive testes. As Mac's cock continued spewing cum seemingly without end, the balance of power skewed ever heavier in his favor, his swimmers outnumbering Applejack's 2-to-1, then 3-to-1, 5-to-1, and on and on it went, a whole army of genetical invaders taking back the land that rightfully belonged to them, squeezing out the opposition and ganging up on their outnumbered soldiers.

All the while, Applejack continued kissing, licking, and suckling her brother's twitching balls - something he enjoyed way more than he would've ever expected to. It was easy to accept any depravity with orgasmic pleasure taking over his body, so when her tongue touched his sack and something deep and primal fired off in his brain, he did not resist it, letting the perverse notions fill his mind.

Sugar Belle hugged and kissed him while he came and her own orgasm wrecked her to the core. The endless flow of his hot jizz had easily brought her over the final edge, forever cementing Mac as one true owner of her pussy. Here she thought Applejack's load was large, but he had blown her completely out of the water. Where Applejack was big, Mac was bigger: his height, his muscles, his cock, his balls, his everything. Never had Belle been able to internalize that difference as much as she did today. Mac was simply on another level of strength, girth, and virility. And two levels above a regular pony. As a committed lover of all things big, Belle viewed Mac's humongous size as nothing short of Celestia's blessing, now more than ever.

For Mac himself, sharing this intimate moment with her was definitely very special, yet his mind was tearing itself apart under the storm of conflicting thoughts and emotions concerning both his wife and his sister. The ecstasy of his release persisted for as long as cum was pumping out of his cockslit, tens of seconds of pure pleasure during which his psyche tried to turn every thought into additional fuel for his lust. It found a surprising amount of success, given the turbulent nature of his feelings. Love and adoration for Belle intermingled with a sense of dominance and justified retribution over Applejack. Each emotion, each memory was accompanied by a powerful throb. A new wave of pleasure passed through him with every subsequent blast, making Mac see his relationships through an elated, deeply sexual perspective, where the twitching of his cock overruled all reason and logic.

By the end of his orgasmic haze, Big Mac felt like a stallion born anew, irreversibly changed by the experience. Everything that happened before seemed like it had been in another life, one where Applejack submissively licking his balls was a ridiculous fantasy and not an inescapable reality. Even after his climax came to an end, she didn't stop nuzzling and suckling his nuts. The tingly sensations underneath his crotch served as a constant backdrop for Mac's post-fuck makeout with his wife, turning an intimate affair between two loving ponies into something much more obscene. He didn't try to stop her, though.

"Oh, dear Celestia," Belle breathed out weakly. "I can... barely... ahh... think straight. This was... incredible." Three orgasms in a row had clearly done quite a number on her.

Not one for many words, Mac simply continued hugging and kissing her, moving his hips just a little to create some pleasant friction between their nethers. They stayed in their respective spots for a short while, Mac and Belle relaxing, while Applejack continued worshiping the stallion's balls, giving some attention to his rear once again as well. Standing on her knees behind him, she could quickly swap from licking the cutie marks on either flank to peppering his big red tush with kisses to washing his sack with her spit. And judging by the regular thumping that reached Mac's ears, she was also furiously jerking off in the process.

"Seems like your sister needs your help," Belle chuckled, noticing the sounds too.

"She can wait," Mac responded, loud enough for Applejack to hear. A moment later, his tail swiped dismissively across her face. That demeaning act didn't slow Applejack one bit; on the contrary, she licked him all the more fervently, continuing to stroke her cock.

"Haha, it's up to you of course, love. But I wouldn't mind it~" A playful smirk ran across Belle's lips.

Mac raised his brow, unsure if she was thinking the same thing he was. Judging by her expression, Belle was definitely expecting a show. She responded to his inquisitive gesture with a wink and a loving smooch on his nose, giggling softly and glancing towards Applejack.

It wasn't Belle's encouragement that made Big Mac move in the end, though her impish words definitely had an effect. The stallion would've loved to keep lying on top of her for a while longer anyway, sweet and comfortable as it was to do so, but another issue soon arose. That issue was his cock. The thing refused to be sated, swelling anew before it even had the chance to fully soften. At the same time, the stallion's rekindled lust was quickly reinvigorating him. Already the second load of salty jizz was churning in his massive nuts. This one was not meant for Belle though, but for the mare he knew and cherished all of his life.

It was a peculiar thing that he desired her most exactly when he was also most displeased with her. Yet maybe he shouldn't be so surprised - these kinds of possessive, selfish feelings had often flared up in the past in the moments of conflict. He always managed to keep them confined to the darkest depths of his mind... or so he thought. Could it be that his sister had noticed something after all?

Big Mac enjoyed one final tongue kiss with Belle and then pushed himself up, a bridge of spit stretching and breaking off between their lips. He pulled his hips back, slowly dragging his cock out of her utterly demolished cunt. Clumps of cum were stuck to his tool while thick gooey strings hung underneath it, swaying lightly. Still, most of his jizz simply flooded down onto the ground or remained inside Belle's pussy.

When Mac's cock was out, she pressed her legs close, leaving space only for a small trickle of cum out of her spunk-packed marehood. Seemingly by instinct, one of her hands reached down to her folds and gave them a rub, her thumb casually flicking her clit.

Meanwhile, Applejack moved to the side, still on her knees as Mac stepped back and turned his attention to her. Their gazes met, two pairs of green eyes assessing each other. Even after tasting his balls, AJ had maintained an air of impudence, barely restraining the corners of her lips from stretching into a smirk. But with his sister looking at him from down below, her daring expression only reinforced Mac's dominance. It was difficult to look tough when his huge, semi-hard cock swayed just a few feet away from her face.

"Have Ah been a good girl, sir?" she asked in a voice that was so sweet, it almost seemed like she was mocking him.

Mac's shaft jerked up anyway, attracting her gaze. Her lips parted slightly at the sight, pupils focused on the swelling tip, before returning back to his face a few seconds later, blazing with lust. Despite the eager reaction of his cock, the stallion kept his composure.

"That was a good start, Ah guess. If ya think it was enough to cross off yer bad deeds, yer gravely mistaken." He pressed her down with his gaze, enjoying the feeling of power and control that his height advantage afforded him.

"Oh dear. Ah sure hope ya won't make me do something nasty and embarrassing!" Applejack cooed.

"That's not up to ya to decide." Big Mac placed his palms on his waist and took a step forward. "Now clean this up." He pointed at his heavy, swaying cock.

Applejack looked at the thing, as if for the first time. She bobbed her head from side to side to get the full view while her eyes roamed across its jizz-streaked surface. Seconds passed as she intently studied Mac's tool, taking in every splotch of cum, every string of gloop dangling from it. One of those strings was slowly stretching down underneath her gaze, its middle thinning under the weight of a big gooey dollop at the bottom. Eventually, it tore apart and fell to the ground, making Applejack glance down momentarily. When she raised her eyes, she wasn't looking at Mac's dick anymore, but at his face.

"Yer so cruel, Mac. Making yer little sister clean this big, nasty cock," she pronounced the last part with emphasis, tasting the words as they left her mouth. "Is this truly what ya want?"

"Eeyup! And ya better start on it soon, 'cause Ah'm losing mah patience."

"If ya say so. Wouldn't want to... mhmm... make mah dear brother wait," Applejack spoke slowly, making a deliberate pause in the middle of her sentence. Mac glared at her with impatience, but the cheeky mare simply shrugged it off, answering him with a teasing smirk as she finally raised her hands up to his cock.

She began by wrapping her palms around the base of his shaft. After getting a nice, firm grip, she slowly slid her fingers along its whole surface, gathering as much jizz as she could. By the end of the stroke, there was an overflowing mass of thick, smelly cum cupped within her hands.

Applejack looked up at her brother, raising her arms. "So whatcha want me to do with this? Should Ah..."

"Spread it over yer cock," he simply stated.

There was a momentary surprise on Applejack's face, quickly replaced with a lewd, understanding smile.

"As ya wish." She carefully brought her cupped hands down to her shaft.

"This ought to repay ya nicely after Ah had to deal with yer sloppy seconds." Mac felt some catharsis watching his jizz start dripping on Applejack's fat orange cock. Now she too will know what it feels like to dip her privates in her sibling's spunk.

"Ohhh, this is certainly a mighty fine reimbursement. Thank ya, big brother!" Applejack practically moaned as his cum began descending from her hands down onto her madly throbbing dick. "Nnngh... it feels so warm." She stroked her shaft with both of her palms, spreading Mac's fresh jizz all over it.

"Ehh... are ya actually enjo-" The stallion stopped himself mid-sentence as he understood the futility of continuing his question. His mouth agape, he stared at his sister, marveling at the vigor with which she coated her cock in the sperm that was swimming inside his nuts not ten minutes ago. She seemed so into it that it almost made him feel embarrassed.

"Ya were saying something, Mac?" Applejack accentuated the sentence by giving her cock a hard pump.

"Yer... yer look pathetic. Ah thought ya were a proud mare, but turns out yer nothing but a weak, submissive bitch," seeing no other option to recover his authority, the stallion went into an attack, trying to make his words sting as much as possible. With a resentful flick of his cock, he covered her face in a smattering of cum droplets.

"Ya wound me, brother," Applejack said, offended. "Are ya really calling yer dear little sister a submissive bitch? What would've mother said if she heard ya speaking like that?" Her mildly angry expression would be more believable if her tongue didn't dart out of her mouth to lick up the jizz that landed near her lips.

"Probably the same thing she'd say to ya if she saw ya looking so pleased while covering yer cock with mah seed. Ah reckon she might've even agreed with me then," Mac shot back, still unable to believe Applejack was actually enjoying it.

"Hey, nothing wrong with a bit of family fun," she just smiled, giving her meat a nice jerk.

"Is that how it is?" He pointed the tip of his dick at her mouth. "And what about blowing yer brother's cock? Is there anything wrong with that, sister?"

Applejack pretended to contemplate his question for a second, briefly furrowing her brows. "Hmm, Ah don't think so," she concluded.

"Come here and suck it then," Mac said sternly, beckoning her with a shake of his tool.

AJ shifted her gaze to the wobbling shaft and softly nodded, but didn't hurry to do his bidding. Even with his cock hanging right in front of her face, she took her sweet time with the task, purposefully teasing the stallion. At first, she placed her mouth next to his tip, not quite touching it, just tickling the head of his cock with her hot breath. She stayed there for a painfully long time, breathing in and out, looking up into his eyes. It seemed like she was trying to guess when he'd lose his patience.

As Mac was seriously considering doing something, Applejack finally touched his crowned tip with her lips. The contact didn't last too long though, and soon she was back to tantalizing him with her breath. Occasionally, her tongue slipped out from her mouth to give his dick a lick, gathering the pre-cum that leaked from his slit. At other times she brushed her plush cock-teasing lips across his tool. But no more than that. Unsurprisingly, it only made Mac more frustrated.

"Will ya stop fooling around and do what Ah said?" The stallion finally grew annoyed and scolded her. To make the point clearer, he raised his cock and smacked Applejack across the face. "If ya don't, Ah will need to take the matters into mah own hands."

The threat made her ears perk up, a lewd smile spreading across her lips as gears turned inside her head. There was definitely something naughty on her mind.

"And what will ya do then? Gonna fuck yer sister's mouth?" she inquired, her voice soft and innocent.

"Maybe Ah will." Mac looked sternly at her.

With their gazes locked, Applejack placed a light smooch on his tip. "Ah don't believe mah sweet old brother would ever do something like that."

As soon as she finished her sentence, a strong red hand landed on top of her golden locks, giving her skull a warning squeeze.

"Don't test me, AJ." Mac was getting tired of her games. Not only did she refuse to properly suck his cock, but now she was taunting him too. Messing with a horny and motivated stallion was a perilous endeavor, but had his sister ever let that stop her?

"Come on, Mac. We both know ya won't..."

Her utterance was brought to a sudden end by a thrust of Mac's hips, his thick cock plugging her disrespectful mouth. The stallion sighed as her grating voice was replaced by the sound of smacking lips, and wet heat enveloped the tip of his shaft. The enormous size of his tool ensured that no offending words could leave her lips.

Mac's fingers dug into Applejack's hair as he pulled her in, forcing his dick deeper into her mouth. She didn't resist, her stretched-wide lips gliding seamlessly along his hot, throbbing length. He pressed on until his cockhead reached her throat, with the mare showing first signs of unease. Her expression grew more focused, but a teasing spark still remained in her big green eyes. It was as if she was asking him to shove his dick deeper, daring him to choke her with it and truly punish her like the bad girl that she's been.

It was incredibly enticing to do just that, to push his cock as far as he could and let the warmth of her mouth wash over his flesh. The fact that it would make AJ suffer seemed only like a bonus now. And yet he still couldn't quite bring himself to violate his sister so brutally. A little note of mercy had remained within his heart - the only thing that kept his beastly instincts from taking charge. Applejack simply didn't know what awaited her if she pursued this foolish route. He saw just how massive his cock was next to her muzzle, how much it had already stretched her jaw. If he were to truly fuck her face, that would absolutely ruin her. There would be nothing left but a pathetic, slobbering mess. Surely, once he gave her a feel for the future that awaited her, she would understand this and reconsider!

Barely a quarter of his shaft was inside, and her mouth was already full. He bobbed AJ's head on his cock, pushing it lightly into her throat to give her a taste of what she could expect if she refused to properly submit to him.

Mac had to admit, he liked his sister much better when her lips were wrapped tightly around his dick. The intoxicating feeling of control over her made his shaft twitch with unusual regularity, again and again sending big globs of his syrupy pre down her gullet. He enjoyed looking at her beautiful face, staring into her eyes while she washed his shaft with her spit.

The longer he kept Applejack speared with his cock, the more signs of strain and discomfort appeared upon her face, her brows twitching, nose scrunching, sloppy gurgles rocking her throat. This steady disintegration of her resistance was exactly what Mac wanted to see. If he wanted to make her experience more miserable all he had to do was to shove his cock a bit further, which also had a nice side effect of stimulating his shaft. All in all, this was definitely the most gratifying way to discipline his sister.

Yet despite her obvious struggles, Applejack still tried to challenge him with her gaze, maintaining that cocky look he was so familiar with. She was nothing if not persistent in her arrogance, even if the copious amount of dickspit dribbling from her mouth made it difficult for Big Mac to take her defiance seriously. He was sure that her resistance was severely weakened after he had given her throat a well-earned scratch with his swollen crown. She would definitely think twice before disobeying him now.

"That enough meat for yer plate, AJ? Or do ya still think yer brother won't have the will to fuck yer pretty face?" He chuckled, pulling his cock out of her mouth.

As soon as the dick-seal on her lips was broken, Applejack coughed out several wads of nasty spit-webbing, aiming it directly at the masculine tool that was at fault for her involuntary outburst. Her drool hung from the shaft in gross, translucent strings, serving as a poignant reminder of the threat it posed to her mouth. Applejack proceeded to gather even more saliva on her tongue and then spit it out on Mac's cock too in an apparent act of defiance.

"Enough ya say? Honestly, Ah barely even felt it. All ya did was prove me right." Applejack playfully pushed her tongue out, sneering at the stallion, but to Mac's horny gaze this teasing gesture served as little more than a welcome mat for his cock. He rubbed the head of his dick across it, leaving behind a trail of translucent pre-ejaculate goo for her to swallow.

Mac had to admit, his sister's willingness to be so daring even when her coughed-out drool was still swaying underneath his meat was almost commendable. Applejack always stayed true to herself. She wasn't one to put on a mask just to please someone else. In any other situation this would be worthy of Mac's highest respect... But not after she came inside his wife's unprotected pussy, quite possibly impregnating the love of his life right in front of him!

"Open yer mouth," the stallion barked a simple command, having no desire to answer Applejack's quips. Eyes narrowed, his fingers pressed forcefully into her skull. He was tired of playing games.

In response, Applejack's tongue, profusely covered in his cock-slime, slid back between her lips. She rolled the tangy liquid inside her mouth with demonstrative slowness, as if tasting a refined dish. But the sight of his sister relishing in the flavor of his precum wasn't enough to placate Mac now - his fingers clenched harder with every second she delayed fulfilling his command, pulling on her hair to the point of pain.

And still, Applejack performed her intentionally prolonged show despite the painful tugging of her mane, ending it with a big gulp that sent Mac's precum into her belly. It seemed that she wanted to show off her empty mouth to him as well, but that was not to be - as soon as her lips began to split, Mac roughly shoved his cock inside, forcing her jaws wide open much quicker than she intended to.

With a steady push of his hips, the stallion's thick red meat advanced through her mouth once again, faster and more insistently than before. He held her head with both of his hands and pulled it towards his crotch, treating his little sister like a cheap cock-gobbling slut. Applejack's cushy lips wrapped tightly around his shaft as it slid inside, her tongue pushed to the bottom by the throbbing behemoth. Deeper and deeper it went, entering her gullet and persistently moving forward. His fat cock was gradually enveloped by the humid warmth - a welcoming sensation that was practically sucking him in. This time Mac did not resist its pull, letting his hips follow their natural trajectory, driving his dick into the moist hole that welcomed him so kindly.

His grin widened as he watched his sister grow tense, her hands rubbing his calves while her brows twitched and her eyes bulged. He felt slight resistance to his movement, slowing down his advance, but only by a little. After all the difficulties he had penetrating Belle's pussy, it was surprising just how easy it was to lodge his tool deep into his sister's mouth. It had been as if her throat was made to suit his cock. With the passage being as smooth as it was, Mac didn't plan to stop until he got most of his shaft inside her maw. As his fingers locked firmly behind her head, it would be just a matter of time until his medial ring came knocking at her lips.

That thick fleshy bump was getting awfully close now. As Mac's drooling cockhead snaked down Applejack's throat, a visible bulge had formed on her neck, growing bigger and more obscene with each second. Her breath slowed and then stopped almost completely when her windpipe was obstructed by her brother's way-too-fat dick. Unable to secure the most basic sustenance required to maintain life, she was now wholly dependent on his pity, of which Mac had a notable shortage.

He did pull his hips back, letting some musky air enter her lugs, but only to slam his cock forward with an even greater force a couple of seconds later. After that Mac continued feeding his meat into her mouth until she reached his medial ring, which marked just a little more than half of the way down his shaft. It was so damn enticing to stretch her lips even more by pushing it in, but Mac stopped just short of doing that, feeling Applejack's grip stiffen as she gagged hard on his dick.

And then he remembered her unashamed cry of pleasure when she came inside Belle. A sadistic urge told him to pull Applejack closer, and he surrendered to it, forcing her lips to accommodate the thickest part of his cock. Mac was pleased like never before to see struggle and discomfort upon his sister's face, the pain in her shaky, almost pleading gaze. She coughed hoarsely, huge nasty wads of drool sputtering from her mouth around his shaft, while tears welled up in her eyes. With every passing second her expression grew more miserable, but she did not try to pull back, looking up at him with as much conviction as she could muster.

Which wasn't a lot. Choking on Mac's massive cock definitely did quite a number on the proud and dignified mare. Satisfied with the initial results, he began dragging his dick out of her maw, unclogging her throat and letting life return into her body. Applejack inhaled greedily, sucking in his cock-stench and air in equal measure through her nostrils. Tears trailed down her cheeks, some of them reaching her mouth and giving Mac's cock a salty aftertaste.

He stopped just shy of pulling his tip out. After giving her several seconds to recover, the stallion shoved his spit-dripping tool down her throat once again, tugging on her head and thrusting his hips forward at the same time to achieve maximum velocity. While his speed was greater now, the depth of his plunge had decreased, turning a prolonged chokeout into a fast-paced throatfuck as he quickly repeated the violent motion.

As he did so, Mac's medial ring served as a natural limiter for the extent of his cock's submersion. Most of his thrusts ended up with Applejack's mouth stopping just shy of it, her lips only occasionally reaching the circular bump in a lewd face-to-dick kiss.

"Can ya feel this, AJ?" He growled, dragging her head back and forth along his shaft.

Gagging and drooling were the only responses she could give, which was just fine with Mac. He didn't want to hear her voice when the sloppy gurgles coming from her throat sounded so much better. This was the kind of answer a submissive bitch was supposed to give. And that's who she'll be after he's done with her. No more half-measures.

Whenever his sister tried to contest him with her gaze, he simply pushed his cock deeper into her spasming throat, inevitably breaking her resistance. Every attempt to look tough was met with swift reprisal, as his hips only yearned for an excuse to drive his dick further inside of her maw, gladly taking every opportunity to choke out the remnants of Applejack's unruly spirit.

After several minutes of ruthless facefucking the once-proud mare was a proper mess. Her eyes were swimming with tears, turning her brother's silhouette into one big red smudge that grew bigger and smaller in rhythm with the involuntary movements of her head. Face smeared with spit, cock-drool hanging from her chin, she was reduced to being little more than a tight, warm fuckhole for her older brother.

Assured that Applejack had finally learned her lesson, Mac dragged his cock out of her mouth. Numerous strings of spit, thick and thin, stretched out between his shaft and her lips, breaking off one by one as he pulled away.

With her airways unblocked, Applejack breathed in greedily, only to cough out all the air as soon as she inhaled it. Her next attempt was more successful, letting the mare recover some of her senses. Even after facing such a rough deepthroat by the biggest cock in town, her state was actually improving with surprising speed. As her breath steadied, she licked up the saliva from around her mouth and even bent forward to suck in a few blobs of gloopy liquid that drooped under Mac's shaft. Applejack's endurance was proving to be legendary for a good reason.

But however swift her recovery was, no amount of fortitude could wholly undo the visible degrading effects of being forced to swallow a huge, pulsing, leaking fucklog. A disheveled mane, stray hairs stuck to cheeks and forehead, eyes red from crying - these were only a few of the notable features Applejack had acquired under her brother's rough treatment.

Seeing her in such a state, it was difficult for Big Mac to imagine his sister continuing to put up a facade of a stalwart, unyielding mare. Yet Applejack managed to outdo his imagination, boldly staring up at him with a shaken, but still unbroken resolve just half a minute after he thought he had left her utterly defeated. Her muzzle was wet with tears and spit, her throat sore after enduring the friction from his girth and its own involuntary contractions, but she barely seemed to notice it, looking as determined as she possibly could.

All of it only served to make Mac angrier. Why did his sister have to continue goading him, forcing him to abuse her in ways no brother ever should? He was showing her with his every action and word that he was ready to go all the way if need be, but that still didn't dissuade her, quite the opposite.

Applejack casually brushed several unruly strands of hair from her face, hooking them behind her ear. "Is that all ya can do, brother? Ah guess planting mah seed inside Belle's womb was no big deal after all..."

For a split second, Mac's expression froze in astonishment while his brain processed what he'd heard, refusing to believe it. The words rang loud in his ears, resounding within his head as clearly as if Applejack had repeated them again and again.

"No big deal..."

How dare she even think something like that! Every fiber of his being exploded with indignation. His eyes shone with righteous fury, hands clenching into fists, muscles bulging, violent impulses threatening to break out of his control. But no words left his tightened lips. And when his mouth finally opened, it was only to send a big ball of spit directly into his sister's smug face, hitting her squarely on her muzzle.

The disrespectful gesture didn't seem to perturb her at all. On the contrary, a dumb grin spread across her face, while a long, glistening string of Mac's saliva stretched under her nose.

His mind bubbling with malicious intent, the stallion circled around the kneeling mare, grabbing her by the roots of her hair and yanking her head back. He stood behind her, forcing her head into a horizontal position, her torso leaning back to accommodate it.

"Open your fucking mouth." The stallion delivered a stinging slap to her cheek in time with the command. It was a light hit by Mac's measure, but painful enough to make her obey instantly. Quickly bending down towards her, he spat once again, now directly between her lips.

"This is yer fault, sis. Ya made me do it."

Applejack shivered underneath him, swallowing his warm, bitter drool. If Mac looked down at her crotch, he could've seen her cock jerking up with perverse pleasure. But he was too focused on directing his own tool into her mouth, descending upon her face from above with his massive frame.

His swollen shaft hung a mere inch above Applejack's muzzle, placing it right in the middle of her view, the rest of his body barely visible beyond its girth. It slowly slid forward as Mac took a comfortable stance on top of her. With one of his hands on the back of Applejack's head and the other below her neck, the stallion lined her up to create a straight tunnel from her mouth into her throat, making it that much easier for his cock to plow right through her.

And plow it did, driven by a hard push of Mac's hips. He forced half of his dick into her mouth and continued on, feeding her more and more of it, quickly passing the medial ring. Soon only a third of his cock remained outside, and even that much didn't stay unsucked for long. With one final lunge, he shoved the rest of his shaft between her lips, his hefty balls smacking Applejack in the face.

In this position, his musky cum-pouch was the only thing his sister could see. No longer could they lock gazes while his cock was deep inside her mouth. So much the better, Mac concluded. She didn't deserve to look at his face after what she'd said anyway - his balls would be a much better target for her disrespectful stare. Applejack could adopt whatever daring expression she desired and his swinging testicles won't mind one bit. It definitely won't change the fact that they were striking her muzzle each time Big Mac thrust his hips.

Those thrusts started coming one after another with brutal savagery, the stallion moving like he was fucking the stretched-out pussy of his wife. In fact, he had cared more about Belle's cunt than he did about his sister's throat at the moment. This was a punishment after all, so all the pain and discomfort were simply a necessary part of the learning process.

Rapid pounding was interspersed with deep, prolonged submersion of his dick. Nearly every second of her predicament was a depraved exercise seemingly meant to train her to be his personal cock-swallowing fuckdoll, providing great pleasure to the fuming stallion, while she was forced to endure the perverse distention of her throat.

He let her rest only long enough to keep her conscious, periodically sliding most of his shaft out of her mouth and giving her a few seconds to get some air. But even then, he would pull her head up, pressing and rubbing her nose into the bottom of his cock while she breathed. And after hilting inside of her anew, he would grind her muzzle in the cleft between his fat nuts, making sure that whatever measly amount of air she could inhale there would be filled to the brim with the stench of his sweaty sack.

Minute after minute, Mac kept hammering his sister's face, while she was forced to bend over backwards for his convenience. As time went by, her brain began slowly shutting down, the diminished oxygen intake barely enough to keep her on the edge of consciousness. Her body slackened as strength began leaving her. Soon, it appeared as if the only thing keeping her upright was her brother's grip.

Mac pulled his cock fully out of her mouth only once, and it was for this very reason. Looking at Applejack's face from above, he impatiently slapped her cheeks a few times to make her open her half-lidded eyes. As his ballsack quaked with an impending climax, Mac knew he wanted her to be in full awareness for what was about to come. He was generous enough to let her take several deep breaths while spit dripped from his dick onto her utterly ruined face.

Her current state was so terrible it made everything before that seem like child's play. The repeated smashing of his huge heavy orbs into her face left it not just moist, but completely covered in a foul mix of sweat and spit. Thick strings of it had stretched out between her skin and his sack every time he pulled his hips back, and by the end the smacks had acquired a distinctly wet sound. All of that nasty, sticky liquid had been constantly descending down into her hair, turning her tidy, beautiful mane into a convincing imitation of a used dickrag. Her locks were stuck in wet clumps and covered by a filthy webbing of dick-infused spittle, their state not made any better by Mac's rough grip and his constant manhandling of her head.

And he wasn't done with her yet! After he'd verified that Applejack had returned back to her senses, Mac unceremoniously shoved his cock into her mouth once again and continued ferociously rutting her throat. His anger and the burning desire to discipline his sister had energized his movements just as much as his out-of-control libido did, which meant bad news for Applejack's esophagus. Mac was giving it his all during this last stretch, preparing to dump his hot spunk into the mare's thoroughly hatefucked mouth-hole.

When he sensed his seed traveling down his cum-tube, the stallion pushed the full length of his dick into her mouth one final time, his balls twitching atop her muzzle as a torrent of incestuous jizz spewed directly into her stomach. He felt strangely elated knowing that he was feeding all that filthy goo his giant testicles had produced to his little sister. Watching the expanding swell on her belly, he marveled as it grew bigger after each throb of his cock.

But there also were better uses for his spunk than simply giving Applejack an out-of-schedule dinner. With his shaft still pulsing, he pulled his hips back, dragging it out of her maw until only the tip remained inside. In just a couple of spurts her mouth was completely full, the sour flavor of Mac's cum drowning every one of her taste buds. Subsequent bursts directed the stream of semen in both available directions: further into her throat, and out of her overfilled mouth. With her gullet quickly getting clogged, a portion of his jizz traveled through her open airways, reaching her nose and spurting obscenely out of her nostrils. Only after that did Mac drag his cock out from between her lips.

Cum continued jetting out from his dickslit, a seemingly unending amount of it coming from his monstrously productive nuts. He never felt this good, never had this much jizz blasting out in one orgasm. Mac was ashamed to recognize that a rage-fueled throatfuck with his sister turned out to be even more fulfilling than his first time fucking Belle's pussy. What a terrible pervert he must've been!

And just like any pervert would, he directed the stream of his cum onto Applejack's body. Without his support his sister fell on her back, lying on the ground underneath him, which made her a perfect target for the many ropes of white creamy jizz that regularly burst out from his dickslit. A few of them hit her face, burying her features under a layer of spunk. Others flew towards her body, painting her chest and belly with thick streaks.

At the same time, Mac saw his sister's hands grabbing onto her own throbbing cock and jerking it madly with the last bits of her strength. The stallion pointed his dick at her crotch, sending several cum-strings splashing across Applejack's shaft, greatly reinforcing the clumps of old jizz that were already covering it. This new infusion of fresh, steaming seed was immediately noticed by the mare as the hot goo spread along her cockflesh. Her strokes grew even faster, palms gliding seamlessly across her lubed-up tool. She moaned without shame, and the heavy mass of jizz that covered her face began spilling into her open mouth like a great circular waterfall.

While Mac's release finally started winding down, Applejack had just reached her own. Only a few seconds of pumping her dick were enough to bring it about, showing how close she'd been simply from deepthroating her brother's gigantic bitch-breaker. He observed in amazement as Applejack's cock jumped in her hands, shooting out great wads of cum on the floor in front of her.

Big Mac wasn't wholly sure how he felt about it. On one hand, she wasn't supposed to be enjoying this so much - it contradicted the very point of the rough treatment he'd given her. But on the other, it was just too darn good to watch his sister cumming her brains out after he had used her throat like his personal cocksleeve and covered her head-to-toe in his spunk. Applejack was at the high of ecstasy after he had degraded and abused her, and that gave Mac a sense of power and control that he'd never had over her before.

Every jet of sperm that left her cock was an unarguable proof of her desire for submission to her big brother. Judging by the sight of her, Mac wasn't the only one who had found the biggest climax of his life here. Her whole body positively trembled as she wallowed in her own humiliation, cum shooting out with tremendous force from her dick. Some ropes covered the distance of nearly ten feet, cutting through the air like rounds discharged from a goo-blasting cannon.

The volume of her release was absolutely enormous compared to any regular stallion, but it still paled in comparison to Mac's. Its length was also shorter, tapering off into a drizzle at about the same time that the last batches of jizz leaked out of her brother's dick despite her late start.

As Applejack entered the post-orgasmic blissfulness, a long line of spunk still hung directly underneath Mac's cockhead, slowly depositing upon her face. He could hardly even recognize his sister underneath all the cum after she had taken the full brunt of his orgasm. She was more white than orange now, her coat drenched through and through with his sperm.

"Sweet Celestia..." A soft voice came from behind the stallion.

Mac turned his head and saw Belle staring at his sister with a mix of envy and lust, her fingers stroking her engorged clit. She definitely wasn't beset by boredom while the two siblings were settling their disagreements.

"Can I help her clean up, love?" Belle looked earnestly at the stallion. She wasn't just asking this for Applejack's sake, that much was obvious.

As soon as Mac responded with a nod, Belle was up on her feet, quickly approaching the mare on the ground. Her hand remained on her cunt while she sat down nearby and leaned towards Applejack's head. Hungrily leaking her lips, Belle seemed to be preparing for a feast.

She carefully swept the oozing liquid from one of Applejack's eyes with her index finger and then sent it into her mouth for a taste, sucking the cum off. Belle had to clean the mare's brow and the side of her nose too, or else Mac's all-enveloping jizz threatened to spill over and undo her work. After several more flicks, Applejack could finally open both of her eyes. They were like two floating plates among the sea of white sludge, her green pupils remaining unfocused for a few seconds, until they were suddenly directed at Belle's face.

"Mighty thank ya, sis." Cum-strings stretched out between Applejack's lips as she spoke hoarsely. Even underneath a layer of spunk her smile was unmistakable.

She recovered from her momentary slumber, pressing her hands into the ground and raising herself up. Her arms trembled at first, but she quickly steadied them and then set herself upright with a confident push. All of the gooey stuff that covered Applejack's face and chest now began sliding down into her lap and gathering in a big nasty lake at her crotch. Paying no attention to it, the mare rubbed her tender throat, gulping uneasily.

"Sorry for teasing ya, Mac," she groaned. "Ya did quite a number on me there. Ah think mah throat is gonna be sore for a week."

The stallion took a step forward behind her, casually laying his cock on top of her head, its leaking tip poised above her muzzle. A string of dick-slime descended right in front of her face as he addressed her.

"Will ya be a good little filly from now on?"

"Ah sure will." Applejack leaned her head back, catching the string with her mouth. "And if Ah happen to slip up, ya know what to do. Don't ya?" She placed a loving smooch on the bottom of his cock. "Mah dear brother."

At that moment, Belle lost control and lurched forward, licking up a big glob of jizz from Applejack's chin and smashing their lips together. Her tongue lapped feverishly at anything it could reach, picking up cum from Applejack's face and sliding into the mare's mouth. Mac's spunk swapped from one hungry maw to another as AJ responded in kind.

The stallion watched the two mares he loved more than anything in the world make out in front of him, his jizz dripping from their lips. Belle's fingers were still desperately rubbing her pussy. She trembled, pressing her knees together, almost falling over onto Applejack, but the farm mare kept both of them steady, letting Belle recline on her as they kissed.

Suddenly, Belle raised her gaze up, looking at Mac's cock, and then at his face. "Let me taste it," she didn't just ask, but demanded it.

Mac dared not delay when his mare was so thirsty. Her words were like a trigger for his brain, making him push his softening dick between Belle's and Applejack's lips without a second thought. He did not regret the decision.

A pair of tongues danced across his sensitive flesh, picking up the salty cream that covered it. Slurp, slurp, slurp, Belle sucked in the cum from his tip. She moaned in ecstasy as electrifying shocks passed through her body, wrapping her mouth around Mac's cock when a powerful orgasm wracked her senses.

Applejack licked Belle's cheek and the corner of her stretched lips, targeting the place where her and Mac's flesh met. The stallion simply stayed in place, letting the mares have their fill. Both of them directed their gazes at him, looking submissively into his eyes.

When her climax came to an end, Belle slumped down weakly, pulling herself off Mac's dick. She gave Applejack a light kiss on the lips and rolled over on her back, lying down with a blissful smile and closing her eyes. After going through another powerful orgasm following the first three, she was completely out of energy, and it showed.

Mac shared a meaningful glance with his sister, Applejack smirking as she got up onto her wobbly legs. The throat-fucked mare couldn't stand steady at first, but her strength was recovering with each second.

"Seems like Belle enjoyed the show," she snickered.

Mac stayed silent as he looked at his wife. He could hear his heart beating, blood pumping through his veins. But she seemed strangely serene now - a calming sight after all that happened today. Her big, round breasts heaved softly in rhythm with her breath.

It was more difficult than he expected to tear his gaze away from her chest. After a minute had passed, he'd finally managed to do it, looking around as if he'd forgotten where he was. His eyes stopped eventually on the packed cart in the middle of the barn.

"We need to finish the work, AJ. Those apples aren't gonna gather themself."

She followed his gaze, and then turned back to face him.

"The work can wait. We'll handle it eventually. Ya know how quick Ah can be when Ah need to." Applejack stretched out her body, raising her arms high above her head. "But we all definitely need to clean up, especially me. Ah didn't know you've had that much spunk stored away in those big red balls of yours, brother," she said with a laugh, drilling her gaze into his crotch so intensely it almost made Mac uncomfortable.

After a brief pause, during which Applejack revitalized her sore joints and muscles with a light shake and a few more stretches, she continued.

"Hope ya aren't still mad at me. Ah was just joking around. Ah didn't really mean it when Ah said that, honest."

Big Mac nodded. "Ah know it, AJ. Don't worry." It was easy to see the obviousness of it now that he wasn't so mad with lust.

"Yer the best, Mac! Love ya." Applejack relaxed visibly. "Gonna go grab the hose now. Will ya give me a little smack to send me on mah way?"

"Uhh... wha-?"

The mare turned around with a quick jump, pointing her firm rump in his direction and sending it into a playful wobble.

"Come on, brother, give my ass a lil' smack. Ya slapped one of my cheeks already," - she pointed at the side of her ruined, cum-slick face, "Ah know ya wanna slap these ones as well." Applejack swatted her orange butt lightly for demonstration.

Not waiting for his response, she began hopping backwards in his direction, getting closer until her rear was within a hitting distance.

"Pretty please?"

Mac sighed.

*SMACK*

The powerful hit almost made Applejack's weakened legs lose their balance, while a reflexive yelp escaped her lips. She didn't seem to mind it though, smiling at him like an overjoyed school-filly.

"Now go, ya little tease, or Ah'll spank ya again," he grumbled.

"Yes, sir!" Applejack blew him a kiss and gave her thick butt a cute little shake, before hurrying towards the barn's exit.

As she slipped out of the doors, Mac remained alone with Belle, and his attention soon focused on her. He walked up to his mare and sat down quietly. Mesmerized once again by her massive breasts, he let himself grab one of them. The soft, pliable mass felt calming when smooshed within his palm, helping him relax. As he squeezed it, Belle's lips stretched into a haughty smirk.

"Give me a kiss, honey," she purred, fluttering her eyelashes at him.

Big Mac leaned towards her face, but before he could cover the final inches, she rose up to meet him, mashing her lips into his.

"I think I'm gonna be pregnant," Belle whispered softly, pulling away after a little while of slow and loving tongue action.

"Ah wouldn't be surprised." Mac thought back to the huge mass of jizz that both him and his sister had pumped into her womb. If there was anything to fertilize there, it had definitely been fertilized ten times over.

"You are not upset because of... you know?" She rolled her eyes in the direction of the barn's exit.

"It's fine," Mac answered before he himself knew for sure what he thought. It was quite possible that Belle would bear his sister's foal, and none of them would be the wiser whose child it really was. But did that really make any difference in the end?

"It doesn't matter," he concluded, groping Belle's tit and placing another kiss on her lips.