FSE

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formerly SoFurry search engine

Story by ThisAccountDoesExist

"Aaaah, fuck, it's too damn hot," Spinning idly in her chair, Loona fanned her face with a piece of paper, panting from the sweltering heat of the office. The shapely, voluptuous hellhound had been tasked with the night shift, completely alone in the office and becoming increasingly more frustrated as she continued with her work. Beads of sweat dripped down her fur and an intense thirst was washing over her as she tried to think of some way to remedy the awful heat.

Running a clawed finger around the waistband of her extremely small shorts, she gently rubbed the puffy outline of her pussy out of sheer boredom, letting out tiny moans that reverberated through the empty halls of the building. Her other hand was occupied with her phone, idly scrolling through social media without really paying any mind to whatever passed her eyes. Flipping her hair out of her eyes irritably, she sat up from the chair, getting to her paws and slowly making her way over to the break room. Surely one of the other employees had left some kind of drink in the fridge, she thought; they probably wouldn't even notice if she took it for herself.

The break room was a sparsely decorated common space, filled with a few old couches and a large fridge standing tall in the corner. Loona swung it open with her free paw, letting out a sigh of relief as the cold air washed over her body before scanning its shelves for some kind of drink.

"Aha, there we go," she mused to herself, grabbing a brown cup from the door compartment. Slamming the fridge shut forcefully, she examined the liquid inside; it looked like some kind of iced coffee, a similar shade of brown as the cup itself. She couldn't be completely sure, but she sure as hell wasn't going any longer in this awful heat without something to drink, so with a small shrug, she brought the cup to her mouth and drank its contents in one long gulp.

"Ugh, what the hell was that?" It tasted almost like iced coffee, but strangely salty and bitter; she would have spat it out had she not impulsively drank the entire thing already. Regardless, though, it sated her thirst, and with a soft hmph she walked back to her desk, feeling much better and finally ready to get back to work.

No sooner had she sat down did she start to feel hot again, pulling the top of her shirt a little as she began to pant, tongue lolling in and out of her mouth. "God damn it, would it kill them to put a couple ACs in here?" The heat was radiating through her body as though she had swallowed a live coal, spreading outwards from below her belly and rapidly through to her arms, legs, and head. Strangely, her waist was feeling it the most, the warmth intensifying by the second as she involuntarily rubbed her nethers with her left hand.

In between her frenzied panting, she drew her hand up to her face, surprised to see that it was visibly very wet. Pussy juice drenched every digit, and she jumped up in shock as her eyes flew down to her now-saturated shorts. Fluids were dripping onto the floor below and pooling in a large puddle as the horny hellhound's heat only kept growing. "F-fuck, Aaah!" She couldn't conceal a loud moan as a sudden pang of arousal shot through her waist, her eyes narrowing from the pleasure as she braced herself against the desk.

Once it had passed, she cautiously took her hands off the table, her loins still burning with lust as her fingers instinctively made their way downwards. However, where she expected to feel the flat, smooth surface of her pussy, she was instead met by something much different, a large, apple-sized bulge in her shorts that throbbed heavily as she probed it with baited breath.

Another lightning strike of lust hit her mere moments afterwards, sending her stumbling back as she caught herself on the desk. Her face flushed red as she felt something huge, long, and very hard flop free of her tight shorts, catching her already lust-addled mind off guard.

"W-what the hell?" She half-moaned, half-gasped, eyes falling upon an enormous pink canine cock that was currently swinging between her legs. Nearly a foot of length ended in a pointed tip, and a large, bulbous knot the size of an orange sat comfortably at the base of her new penis. Big thick veins crisscrossed every inch of the ludicrously lewd thing, pulsing with need as she stared, its tip drooling a thin stream of precum even without any stimulation as it twitched.

"Nnnghh, AAAH!" Loona practically screamed with lust as a surge of heat flowed through her length, watching as it grew nearly three whole inches in the matter of seconds. It was too much for her to take, and her entire body seized up with pleasure as the prodigious package experienced its first orgasm, sending cum splattering all over the adjacent desk.

The hellhound struggled to keep composure as her cock performed its best imitation of a garden hose, each huge pulse causing it to grow ever larger as it continued to ejaculate. Her shorts were beginning to reach their breaking point as her balls swelled in turn, packing on inch after inch of size until they finally burst free of their fabric prison with a resounding snap.

By the end of her incredible orgasm, a solid two feet of dog dong was hanging heavily at her waist, visibly steaming with heat and desire as it dripped thick precum onto the floor in front of her. Loona was still utterly reeling from the unfamiliar sensation, half-horny and half-horrified as she sized up the immense package that she'd grown in mere minutes. Her mind swirled with lust, the massive manhood filling it with thoughts of fucking and fillling and breeding.

"God... fucking... damn it, what was IN that stuff?" The tone of anger in her voice was almost overtaken by horniness as she resolved to tear whoever had done this a new one when she had the chance. However, her first priority was to somehow get rid of this thing, and she set to work thinking of how she could possibly accomplish that.

Still in a state of intense heat, the hellhound made her way over to the staircase, leaving behind a sticky trail of precum as she tried not to stimulate her cock any more than it already had been. She knew there was a storage of magical artifacts on one of the lower floors, so surely there would be something there she could use to reverse the effects of the drink.

Later...

Finally, Loona found herself in the artifact room, a sprawling library of various curious objects imbued with all sorts of strange magical properties. Her cock was somehow still completely erect, almost painfully so, solidifying her resolve to find a way out of this mess as she scoured every shelf she could.

After about ten minutes, she was getting fed up. Nothing seemed like it would help, and to make matters worse, her restraint was rapidly waning. The longer she went without tending to her enormous erection, the more pent up she became, her overstuffed nuts growing heavier by the minute; the lewd thoughts swirling about her brain didn't help matters. Even if she didn't touch her cock at all, even the slightest of depraved ideas would set it off just as much as a soft stroke. The knot at the base of her cock had swollen even larger still, thrumming with heat as Loona tried to stifle thoughts of plugging up someone's hole with their immense girth.

"Hnngh, ugh... F-fuck..." She shoved her shaft between her legs, scanning her surroundings for a place she could safely unload without making a mess. Seeing nothing, she turned around, deciding to just head back up to the office floor and figure out something when the others showed up the next morning. She could hardly bear to think of the embarrassment, but it would be better than nothing.

Suddenly, something caught her attention, a small movement out of the corner of her eye, almost imperceptible in the darkness of the library. "I-is someone there? Hey!" She shouted into the dead air, hearing her voice echo against the walls as no response came.

She huffed angrily, speedwalking towards the source of the movement. If someone was here, ogling her in such an indecent state, she'd-

She turned a corner and came face to face with a huge, ornate silver mirror, more than double her own height and nearly four feet wide as it leaned against an enormous wooden shelf. Its frame was dusty and old, but the surface was completely free of any sort of dirt or filth, glimmering strangely as the hellhound stared at it.

Of course. It was just a mirror, she thought; how stupid she'd been. Sighing heavily, she put a hand to her hip and gazed curiously at her altered form. Besides looking mildly annoyed and more than a little bit tired, she slowly began to realize that she didn't look half bad. Her chest seemed a little bigger than usual, her hips ever-so-slightly wider; her long, silvery hair was a bit ruffled but otherwise clean and flowing, and her blood-red eyes shone through the reflection with a piercing dominance.

A small smile grew on Loona's face as she admired herself, her eyes quickly shifting downwards to her newly-acquired cock. She could scarcely believe it was so big, the mirror granting her a new perspective into her sheer size and girth. Two whole feet of throbbing canine manhood, enough to put even professional breeders to shame with a knot that had to be at least eight or nine inches across. She marveled at the thumb-thick veins as they visibly undulated, her body working overtime to keep her magnificent breeder cock raring to go.

"Huh. Maybe this... isn't so bad, I guess." She locked eyes with her reflection, flashing herself a smug little grin. "Bet the other girls would be throwing themselves at me with this thing, eh?" She chuckled before her face shifted back to an expression of mild annoyance. She almost turned to leave, but her heart dropped into her stomach as she swung back around to face her reflection.

Even though her own expression and position had changed, the Loona standing in the mirror didn't move an inch. Still gazing smugly towards the real Loona, her hand remained on her hip, eyes following the confused hellhound's own as she tried to make sense of the situation.

Before she could even begin to comprehend the strange events going on, Loona's reflection shifted its hand, five furry digits gently wrapping themselves around its shaft and beginning to stroke, up and down, up and down. Loona could only stare in awe as the demon's doppelganger sped up, still refusing to break eye contact. She gasped suddenly as she felt a strange sensation in her own loins, feeling a warm, fuzzy hand gently stroking her cock.

Snapping her head downwards to find the source of the sudden handjob, Loona saw nothing but her own length, bobbing up and down in the air as though controlled by an invisible force. She quickly understood what was happening, letting out a low, growling moan as she doubled over in a burst of lust. Meanwhile, her reflection stayed completely stoic, smiling sultrily at her through the glass as she only intensified her strokes.

"N-nggghh, oooooh..." Loona finally managed to get to her feet, even as the magical masturbation continued. Precum was leaking from both Loonas' cocks like a fire hose, splattering wetly against the surface of the mirror on both sides.

And then, it stopped. Still not saying so much as a word, Loona's reflection removed her hand from her cock, allowing the real Loona only enough time to watch as her hands descended to her balls before she was slammed by another shockwave of sexual pleasure. The reflection had begun to fondle and massage her capacious cumtanks with immense skill, gently running her clawed fingers across the surface of the fuzzy orbs and mouthing pleased moans all the while.

Loona was doing anything but simply mouthing moans as the silent air of the library was shattered by her horny yelps and growls of intense arousal. Each and every sensual sensation her reflection experienced was reciprocated onto her own body, every soft squish and stroke of her balls causing them to twitch, tighten, and clench. She could feel them rumbling, almost hear them sloshing with pent up hellhound seed as they grew heavier and heavier with the mirror's ministrations, showing no signs of stopping as they nearly doubled in size and weight. They had reached nearly the size of her head, densely packed and demanding release.

Once more, the reflection stopped. Instead of shifting to a different sexual action, it instead simply assumed a standing stance, arms at its side as it waited for the real Loona to gather her bearings. The horny hellhound's tongue flopped out of her mouth, drooling involuntarily onto her chest as she tried as hard as possible to resist the overwhelming urge to cum. It took her nearly a minute to muster the strength to stand straight again, each new throb of her engorged cock threatening to send her falling, lust-stricken, to her knees.

She locked eyes with her mirrored self, vision blurred ever so slightly by her intense heat. The reflection's slight smirk turned to a full-on lustful smile as she thrust her hips forward, teasing Loona with her own enormous cock. The hellhound's eyes widened as the reflection's cock began to visibly shrink before her very eyes, the once two-foot-long member receding slowly down to 18 inches, 16 inches, even smaller, its balls following suit...

Her gaze shot down to her own package, expecting it to be shrinking too, but instead, she gasped in shock as her rapidly-swelling tip hit her squarely in the snout. "W-what the-" Grabbing her shaft with her hands, she held it parallel to the ground, heart sinking as she realized that it was growing at an alarming rate. Lust washed over her entire body as another foot of length was added to her already immensely engorged erection. It was now almost eight inches thick without the knot- the massive, fleshy knot itself was nearly an entire foot wide, a big, bulbous bitch breaker that filled her mind with images of it slamming into tight hole after tight hole.

Her balls sloshed loudly as they grew in turn, expanding even larger than they already were as the immense canine cum factories were sent into overdrive. Great big ropes of thick, steaming precum splattered against the mirror as gallon after gallon of hyper-potent hellhound cum was packed into Loona's already dense nuts, filling to capacity and beyond as they hung heavy and round below her legs. Even after they had finished growing, the low, rumbling churn of constant production could clearly be heard by Loona's sensitive ears.

Panting and huffing from exertion as she tried to make sense of her absurd assets, Loona looked back up at her reflection. Its own cock had now completely vanished, along with its balls, leaving nothing behind but a plump, puffy pussy not unlike the one Loona had before her strange transformation. Smiling deviously, the reflection finally moved her legs, taking a step forward as it approached the surface of the mirror, leaving the real Loona only able to watch in awe as the silvery metal parted like water to allow the strange female hellhound through to the other side.

Now, standing before the cock-laden canine, was a perfect replica of herself, the very image of the feminine form, looking lustfully at Loona's enormous cock. While her twin still refused to say a word, it became more than clear what she wanted as she dropped to her knees and opened her mouth wide, extending her tongue out as her eager, waiting maw silently begged to be pounded by Loona's absolute beast of a cock.

Too horny and much too pent up to refuse an obedient, willing hole, Loona aligned her massive mast with her feminine twin's mouth, watching its eyes gloss over with pleasure as a rope of sticky precum splattered down her throat. If she knew one thing about herself, she thought, it was that she liked it rough.

With that, Loona thrust forward with all the force she could muster, two feet of her shaft sliding down her slutty mirror's maw with a resounding shlick and hardly any resistance at all. Unlike before, she couldn't feel every sensation that her twin could, but judging by how her canine cocksleeve clenched around her cock, she assumed that it must have felt good. The adrenaline rushing through her own body made it much easier to withstand the intense, immense pleasure shooting through her cock with every rough thrust, the horny hellhound pushing through it as her knot slammed against her mirror's snout with each pound.

The clone, while her throat was being swabbed, occupied her hands by passionately fondling Loona's balls whenever she was in arm's reach of them. The hefty, oversized orbs were gurgling and rumbling up a storm as the veritable ocean of cum within begged for release, their production only multiplied by the continued stimulation.

It didn't take Loona long to finally reach her climax, the extra-tight, extra-warm throat of her feminine friend practically milking her canine cock for all it could give. With one huge pulse of her cock, Loona started to blast her doppelganger's stomach with her seed, flooding it full in an instant and watching with a predatory grin as it grew outwards to an immense size. Even as her belly was being blasted by ball batter, the mirrored Loona continued to obediently service her shaft, a long, demonic tongue slithering out from her stuffed mouth and wrapping itself snugly around the melon-sized knot.

If anything, the reflection's gravid gut was a blessing, its heavy mass holding her firmly in place and allowing Loona to slamfuck her with even more force than before. Loona was growling and grunting with her continued exertion, finding no time to moan even as her body went numb to all feelings but immense arousal. Her clone was in a similar state of dissociated bliss, eyes rolling back in her head as her mouth was stretched wide by the beast of a breeder before her.

The combined stimulation of the clone's frenzied fondling and the forceful fucking was only spiking Loona's productivity even more, her virility reaching untold heights as the rumbling, bubbling churns of her balls reached a fever pitch. They stayed the same size, becoming heavier and denser with thick demon cum as the hellhound's balls refused to let up, as if working overtime to build up a load sufficient to satiate the slut currently speared on Loona's cock.

Even as Loona came again, sending countless gallons of nut sludge slamming into her mirror's insides, her balls were still just as full as ever. They worked far faster than she could, every load pumped into the canine condom being quickly replaced by two more in a matter of moments. Nearly twenty minutes and five more immense, unending loads passed, and Loona's bottomless nuts showed no signs of stopping. The clone now more closely resembled a large balloon than a hellhound, her cumflated belly nearly thrice the size of her entire body as she lay upon it with a look of utmost satisfaction. Only then did Loona finally pull out, removing her meter-long mast of breeder cock from its designated sleeve with a lewd, wet glorp.

"Nnngh, holy shit. Fuck me, that was good." She was still panting, breathing heavily as she idly stroked her cock. She aimed the last few ropes of her most recent load directly onto the face of her reflection, chuckling as she tried to catch the thick cum on her long tongue.

As she continued to jack herself off, her clone was slowly receding back to her normal size, the monumental cum belly shrinking rapidly as she digested the countless loads inside of her. Eventually, she was able to get back onto her knees, Loona staring at her belly, which was just as flat as it had been before. Her breasts and thighs, though, had undergone some very big changes.

It seemed that all the cum she had consumed had gone directly to all the right places, packing many pounds of soft, squishy curves onto the previously lithe, muscular woman. Her breasts, normally modest in size, were now the size of watermelons, huge, fuzzy orbs that wobbled with every minute move she made. Milk flowed in great rivulets from her puffy, oversized nipples, creating a puddle on the floor below her. Her butt and thighs were no less than what would be expected from an expert broodmother, two massive mounds of ass that jiggled in tandem with her chest. Loona licked her lips in anticipation as she watched the bountiful breeder show off her newly enhanced assets.

It took virtually no time at all before the reflection made her way back over to Loona, staring in awe at the haughty hellhound's utterly unbelievable cock. Loona didn't even have to say anything for her clone to immediately plant her face directly into her cock, shivering a little as the cold sensation of her canine nose brushed against the sensitive cumtanks. The reflection's snout was nestled snugly between the base of Loona's shaft and her balls, breathing deep of the hellhound's potent musk as she fondled and kneaded the soft, incredibly dense orbs. The first sound Loona had heard from the clone was a long, lustful moan of pleasure, identical to one she might have made herself just a little bit earlier that day.

Loona patted the head of her clone appreciatively as every last inch of her cock and balls were obediently worshiped, huffing with arousal as the mirror snaked out her long tongue and began to run it over the pulsing, cum-slicked surface. Despite how incredibly, unbelievably full her balls already were, they somehow continued to fill up more and more with the sensual stimulation, filling the room with the sounds of rumbling, churning cum as it became practically the only thing the twin hellhounds could hear. They were both now the size of beach balls, and much, much heavier, the untold amount of liquid weight roiling around within as the hefty pair sat on the ground below.

Her cock was throbbing so hard at this point that it could practically be heard, veins bulging obscenely on its surface as it seemed almost ready to burst. Every pulse sent a blast of steaming hot precum splattering all over the back of her busty twin, eliciting moan after moan as she became caked in a thick layer of translucent fluid.

Finally, the clone drew her face back from Loona's massive, musky cock, looking almost disappointed as she retracted her long, sloppy tongue. Before Loona could question it, the reflection turned around, presenting her utterly enormous, wobbly mountain of butt towards the hung hellhound. Loona licked her lips before using both hands to roughly grip each mound of assflesh, visions of her cock buried balls-deep in the canine breeder in front of her. She parted the prodigious posterior, exposing her twin's sopping-wet nethers. Her balls let out a loud, bubbling chuuurn as she got an eyeful of her clone's dripping, drenched pussy, building up another few gallons of dense ball batter as though they were keenly aware of the events about to transpire.

Just as rough as before, Loona slammed inside without warning, her cock slipping into the deepest depths of her own insides in a single thrust. Just over two feet skewered the slutty twin hellhound before the knot slapped loudly against her ass, sending ripples through the rest of her butt that took several seconds to dissipate. Growling and huffing as she pistoned back and forth into her surprisingly spacious snatch, Loona marveled at just how good she felt. Who would have thought that she'd be such a good cocksleeve for herself?

Her clone was whining and moaning through gasps as her pussy was stretched beyond belief, Loona's thick, girthy length practically using her like a toy as she continued to pound away with reckless abandon. The pleasured sounds were only working Loona up more and more as she put her back into every slam, punching her womb with each thrust and trying as hard as she could to push her knot inside the breeder bitch before her and fill her until she could barely move with her cum.

As she continued to pound deeper and deeper into the canine cockslut, Loona watched as her cock stretched her stomach obscenely, a massive bulge eight inches wide pistoning up and down the clone's flat belly and thrusting between her motherly milk-tanks. She could hardly believe she was capable of stretching so much, but that was hardly her main concern as she felt her orgasm begin to build.

The lewd, horny screams of lust coming from the twin hellhounds was drowned out by the deafening, thunderous rumbles and gurgles of Loona's bloated balls, her body trembling with pure arousal as she felt her cock begin to bulge with the sheer volume of cum rushing through it. Instinctively, automatically, she pulled back, her cock nearly slipping out of her clone's well-stretched pussy, and then...

SLAM, with all the strength she could muster, Loona shut her eyes and thrust forward. A loud POP followed suit, her clone letting out a shocked gasp as her hole was utterly and completely destroyed by the fat, foot-wide knot forcing itself inside at last. With that, Loona's balls clenched tightly to her base, a resounding GLORP filling the empty library as a torrential flood of thick, virile hellhound cum bloated the mirror in an instant. If that wasn't enough, her already immense knot inflated even more, swelling by nearly half its size as it continued to ruin the well-used pussy of her clone. Pussy juice sprayed out from the side of her knot and drenched her own face, adding to the depraved scene unfolding.

"Nnnngh, aaaaah~ Take it all!" Loona smirked, feeling her balls finally begin to drain as she watched the belly of her bountiful breeder swell to the size of a beach ball, then a small swimming pool, and then beyond. She grew to such a size that shelves began to fall over, crashing against the floor as the unstoppable tsunami of nut sludge continued to stretch her slutty twin to her limit. Her knot still tightly stuck inside her pussy, Loona was picked up off her feet as her partner swelled, balls slowly but surely shrinking in size as the canine cumdump obediently took every last bit.

It took nearly half an hour for Loona's balls to fully empty themselves, eventually receding back to a normal size as her twin now looked more akin to a bouncy castle than a hellhound. Nearly a dozen shelves had been knocked over and countless things lay strewn about the library haphazardly, but Loona couldn't care less. She was completely spent, without a care in the world as she lay atop the soft, cumflated belly of her curvaceous clone. Still buried balls-deep inside her pussy, she let out a huge sigh of pure ecstasy. Having a cock wasn't so bad, especially not with such an ample, eager hole to fill whenever she felt the need. Maybe some of the other cute office girls would want a taste of the biggest breeder around, she thought. Thoughts filled her head of pounding and knotting every last hole she could find, marking them as hers with big, bloated bellies filled to the brim with cum...

The dim, orange-yellow light of the sunrise began to shine through the windows of the library, casting a warm sheen over the twin hellhounds. Only a few hours and the rest of the employees would show up for work, and see the mess she'd made of the library... Loona should have been embarrassed, but instead, she smiled, one hand fondling her balls while she squeezed her clone's ample ass. A low, rumbling slosh met her ears as she felt her nuts swell with another fresh load, and she knew that tomorrow would be a very fun day.