Night of the WereStallion - Horse TF Commission

Story by WyraachUr on SoFurry

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Sitting in the corner of the room, Dietmar was bored out of his mind. The twenty-two year old youth had been invited to a party that a friend was holding, and he had accepted to come usually because his friend was pretty entertaining. This time around though it was quite the opposite, it was more of a social gathering than a wild party. He just spent most of his time in the corner brushing his long brown hair away from his sapphire blue eyes, humming idly to himself, trying to think of something he could do to pass the time, but his mind kept coming up blank to his continued dismay.

"This is unbearable..." He sighed, taking a gulp from his glass of cola as he watched some of the people get some food from the buffet table. On the plus side, at least there was some decent food to be had, but that was just about it. Not wanting to spend all night in the corner, he got up from his chair and grabbed a plate. As he approached the table, another person ended up bumping into him, almost knocking him backwards.

"Oh dear, are you ok?" The other person asked, looking as Dietmar pushed himself away from the table. He looked at the six foot male, wanting to ensure that he had not hurt him in any way.

"I'm fine, thank you..." He brushed himself off as he looked at the other man. He was six foot tall like him, but he seemed to stand out a little bit due to his bright silver hair and deep yellow eyes. Those features seemed to give off a vibe that there was something peculiar about him, but he just shrugged it off. "Pretty boring party so far, isn't it?"

"Yeah, tell me about it. I'm not always out and about at night, and the one night I do come out to enjoy myself, it's as boring as hell." He chuckled a little, gathering some food. "I guess I should have looked into it a bit more before i made a decision...oh well, live and learn I suppose."

Dietmar had to chuckle a little at the man's comments - everyone else seemed to be enjoying themselves, so it was nice to actually see someone here who he could properly relate to. "I only really came here cause I know the guy, and I never really say no to him." He told him as he grabbed some food himself. "I guess I should introduce myself - the name is Dietmar." He extended a hand to the silver haired youth.

"The name's Peter. It's a pleasure to meet you, Dietmar." He smiled as he grabbed his hand in his own, shaking it. Dietmar winced a little at the tight grip.

"Ack...that's some hand you got there." He said, shaking his hand a little when Peter released him from his grip. "Quite powerful for someone who looks so slender." He smirked, looking at the guy's lithe frame.

"Just because I don't have any muscle, doesn't mean I can't surprise you." He winked. "But I'll keep that in mind - the last thing I want to do is end up sending you to a hospital with a broken hand." He laughed.

The two of them sat down and talked together, watching on as everyone else 'partied'. The two of them got to know each other a bit better, telling each other what they were interested in, and all their likes and everything. Whilst they talked, Dietmar still couldn't shake off the fact that there was something peculiar about Peter. How many people actually go around with silver hair and yellow eyes? "Looking at you, I can't help but feel that you look like you've stepped out of a computer game." He tried to joke.

Peter just chuckled. "I get that a lot, don't worry. The coloration is as real as you can get. No hair dye or contact lenses, it's all natural."

"Interesting..." He thought, looking at him a little more. He turned back to look at the party folk, just sitting around in a circle and reading books. "How about we get away from this snooze fest and go grab a breath of fresh air?"

"Sounds like a plan to me, I'll be having to head back home soon anyway. But I suppose a little walk around beforehand never hurt anyone." He said as he put his dirty plate and glass on the empty table, Dietmar doing the same as they left the house.

"Oh man, it feels so good to be out of there!" He chuckled as he stretched his arms. "Any longer and I would have fallen asleep. How about you?"

"Yeah, I would have fallen asleep myself if I hadn't gotten out of there sooner. And me falling asleep in a place like that is the last thing you'd want to happen."

"Oh? Why would that be?" Dietmar asked. "Are you a heavy sleeper or a loud snorer or something?"

"Ehhh...you could say that, I suppose..." Peter blushed a little, looking away.

"Aw come on, that's nothing to be embarrassed about. I know a few people who have snoring problems, you can get stuff for that from most chemists."

"I know that." He said. "Anyway, it's a pretty nice night tonight, isn't it?" He chuckled.

"Indeed." He smiled, "Not a cloud in the sky, the stars are shining, and look, a full moon!"

"Yeah, always nice to look at...what?" Peter said, sounding a little panicked all of a sudden.

"A full moon, right up there." He said as Peter looked up at it.

"Crap, crap, crap..." He said under his breath. "I could have sworn that the full moon was tomorrow..." He looked towards Dietmar, then back at the moon. "He's likely going to freak out seeing this...but I've got no time to get away from....oohhh..." He lurched forward, moaning a little.

"Is something wrong?" Dietmar asked him, noticing him sweating a little. He was going to go to his side when he noticed a bulge appear in the front of his trousers.

"I'm fine...uuhh..." He said between moans. "I guess...you're going to find this out the hard way...I'm not entirely human..." His groaning got a little louder as he fumbled to unzip his jeans.

"Find out what...what are you doing?" He asked, a bit shocked when he saw his friend expose himself, his cock slipping free from its confines, looking painfully erect.

"You'll see...soon enough..." He groaned as he saw his cock pulse and twitch, starting to slowly grow in size. The skin pulled back as the color darkened, going from a bright pink to a dark black. Dietmar's jaw dropped when he saw it grow longer and thicker, soon reaching around a foot in length.

"The hell... That's not normal at all..." He gulped, watching as Peter wrapped his hand around his swollen phallus, starting to slowly pump it. "Oh yeah...that's good..." He moaned, thrusting into his grip as his swelling balls pushed out from his jeans as well, hanging freely between his legs. Whilst he was doing that, his feet burst free from his shoes, his toes starting to fuse slowly together into one digit. After they fused it began to swell and grow, the nail growing larger and thicker, darkening as it covered the base of his now singular digit as his heels raised upwards, his feet now looking more like equine hooves.

"Mmmmrr...it always feels so good..." He moaned, his trousers starting to grow slowly tighter around his thighs and rear as he felt his ass begin to slowly swell and balloon in size, the seat of his pants starting to strain. As tears began to form in the fabric, Dietmar noticed that his flesh was starting to darken, the skin growing hard and leathery as coarse black hair began to sprout over his body.

The back of his jeans were soon rended by his massive ass, and they tore apart, revealing his giant rump to his friend, the remnants of his jeans holding close to his large thighs. Of course, they couldn't hold out too much further either as they were reduced to shreds, falling around his hooves as what wasn't torn just dropped around his feet.

With his rear now showing, a long tail grew from the base of his spine, long black hairs sprouting from it. He let out a low shudder as his vent was suddenly pulled backwards to rest under his new tail, growing a little wider to accommodate his soon-to-be equine form, darkening a little bit. Along with that, his balls and cock were pulled backwards a little bit, shifting into a position that would prove to be a lot more comfortable for whenever he wanted to mount another horse.

"What...what are you?" Dietmar asked, a little spooked by this as he looked at Peter, whose lower quarters were now that of a horse.

"Oooohh...nneeiighh..." He groaned, looking at Dietmar. "I'm...a werehorse... as dumb as it sounds...it's true..." He grinned. He knew what he was doing right now was all kinds of wrong, but he just didn't care. His attention right now was on his increasingly equine cock, his hands still working it up and down as thick veins began to show on the sides, the head of his cock flaring out and flattening as a large ring swelled up in the centre of it. As he kept rubbing it, a large sheath formed at the base of it, the skin pulling it closer to his stomach as it bumped against his chest, pre beginning to drip from the flattened head as it left a damp patch against his shirt.

"A werehorse...Wow..." He said, not sure what else to say right now. He just kept watching from a couple of feet away, watching the man masturbate without as much as a care in the world. Well that was at least until his hands began to throb and ache, seizing up slightly. He was forced to pull away from his cock as all but his middle finger shrank away, the singular digit suddenly ballooning in size as the joints changed, the nail growing around the base of it, growing larger and thicker as he was soon left with a pair of hooves where his hands once were.

"This...this is too weird..." He backed away a little bit, looking at the more and more equine-looking man. He was trying to stroke himself with his hooves, but they were no longer doing the job as they clopped clumsily along his cock, pre smearing his hooves as the hair grew thicker along them. "How did I even get involved in all this?" He asked himself, but he knew the answer all too well. He wanted to try to turn and run, feeling really weirded out by all this, but he was stuck staring at Peter with some form of insane fascination.

"Not...nneeii...done yet..." He panted as he began to lean forward, his shirt straining against his torso as that too began to alter. His chest started to barrel outwards, ribs cracking and extending with each breath he took as his stomach rumbled and gurgled, slowly ballooning in size as he gained a large horse gut. His shirt split open down the back and middle as his tongue hung from his thicker lips, edging himself nearer and nearer to his cock. As he reached nearer and nearer to it, his neck suddenly grew larger and thicker, the muscles swelling as his head suddenly lurched forward, his lips locking around the flat head of his phallus as he took it in.

"Oh, dude..." Dietmar went bright red at that sight as he watched the horseman perform his own blowjob, moaning and neighing in pleasure as his hair grew longer and darker, attaching and growing down his neck as it formed an elegant, flowing mane. His ears twitched, growing long and pointed as they shifted slightly, moving towards the top of his head.

"Oohhh yyeeeahh.....nnneeiiigghh..." he was close to release now, his fat shaft dribbling pre like a fire hose as he sucked himself off. His length pulsed slightly as his head began to ache slightly, his jaws cracking as they began to slowly push forward. His nose sank into his upper jaw, the nostrils flaring wide as his jaws grew wider and broader, stretching outwards with a series of loud cracks. His teeth grew larger and broader, moving towards the front of his jaws as his tongue stretched, growing long and thick to fit the new space. To end it all, his eyes moved to the sides of his head, turning a deep crimson in color. Peter the human being was pretty much no more at this point in time, in his place was a large, black Clydesdale stallion with ungodly crimson eyes. It was the night of a full moon, and Maximus Warrior had come out of hiding to have some fun.

"Yyyeesss....sssooooo ggoooooonnNNNEEEEEIIGGGGHHH!!" He fell forwards onto all fours, throwing his head back as he was brought to orgasm, his thick cock pulsing as it shot a large stream of thick stallion cum a few feet into the air, striking a few trees nearby with his hot spunk. His cock kept firing for several minutes, going off like a cannon as he reared up a little, sending some of it skywards. As Dietmar watched on, he thought that the horse's orgasm would never end, but it eventually did as the horse let out a few short moans and snorts, his lenght hanging limply between his legs now, still dripping with his seed.

"Peter...are you still in there?" He asked, moving a bit closer to the large black stud. He looked on cautiously, not knowing if the human's mind had in any way changed. Maximus looked towards the human, giving him a soft nod. "Oh thank God for that... I thought for a moment that you really had become a beast in body and mind."

He just let out a soft snort as he nuzzled his chest gently, looking at Dietmar intently. Dietmar was a little bit spooked out from looking into the horse's crimson eyes, but he just shrugged it off the best he could. "Well I know your secret now anyway... I didn't think that werecreatures existed in this world, let alone something as far-fetched as a werehorse. But hey, in this day and age, anything could be real." He petted the horses head.

Maximus snorted slightly from the attention, looking up at his human friend with a smirk. Whilst he petted him, he didn't notice that his shaft had quickly risen up again, pre and cum trailing down the impressive lenght. He began to bump his head slightly against Dietmar, letting out a brief whinny.

"Hey, you're getting a little bit frisky ain't you?" He asked, backing away a little as Maximus bumped his head against his chest, biting at his shirt. With little to no effort, he tore it free from the human, exposing his upper body. "Hey, that was my best shirt! Just what are you trying to do?" He tried to protest, but the horse was starting to overpower him. With one good swing, Maximus bumped his head into Dietmar's stomach, knocking the wind out of him as he fell back onto his rear, looking up at the horse as he turned around to face him. As he did so, he was presented with a good clear shot of his dripping phallus.

"Oh boy...you've gotten really horny again, haven't you?" He asked, a little worried now. The stallion just nodded in response to this. "And that boner isn't going to go away easily, is it?" He got another nod from the horse. "And I bet that you want someone to help take care of that so you can get on with other things, don't you?" He sounded a little shaky this time. Instead of a nod, Maximus just gave the human a broad grin and a snort.

"I..I'm flattered, but I'm really not that kind of guy... I mean I don't think I'd have an issue doing this if you were human, but you're a freaking horse! This has to account for all sorts of wrong, doesn't it?" He tried to defend himself as the horse took a few steps closer to the human. "I'm sure stuff like this would count as bestiality in some places." He kept trying to think of things to say to try and deter Maximus - it seemed that the horse retained the intelligence of his human form, and was capable of understanding English, but it just wasn't working in any way or form. Maximus was still sporting a massive hard-on, and there was only a couple of ways that it could be taken care of.

Dietmar tried to get himself back up from the ground, but the horse kept putting his weight against him, keeping him down. 'Trust me, you're not going anywhere anytime soon....' the creature thought to himself, smirking as he pressed his cock against Dietmar's bare chest, leaving a small trail of pre against it.

"Look, I'm not going to do this..." He tried to protest, but he knew right now it was a losing battle - there was no way he could outrun a horse.

'You really don't have much choice in the matter' He grinned as the musky scent of his cock started to waft towards the humans nose, causing him to shiver slightly as he stared at it. The foot-long length quivered a little, glistening with pre.

"Ugh...I shouldn't really do this..but maybe he'll just let me go if I do it..." He sighed, leaning forward and grabbing Maximus's shaft. The horse let out a soft snort as his hands started to work up and down the dripping length gently feeling it all up.

'That's it, give it a good feel...you're going to have one soon enough...' He murred a little bit as he kept on stroking it. A few moments later, he gasped when Maximus lunged forward a little, his cock pressing eagerly against Dietmar's mouth. He tried to push it away from him, but he knew that it was a futile effort, and soon found it poking past his lips.

"Mmrrff...mmm..." He groaned a little as he was forced to lick along Maximus's dick, taking in the taste of his pre and seed. He shuddered a little at the taste of it, feeling a little nauseous from doing so. For some reason though, he was compelled to keep sucking on the horse's engorged member.

'That feels nice doesn't it, sucking me off...once you've gone far enough, I'll return the favor...' his tongue lolled from his mouth as the human kept blowing him, letting out a neigh a few moments later as he shot a load down Dietmar's throat. He coughed and spluttered at that, not expecting him to go so soon as he pulled away.

"Ugh...what did you do that for....ooohh..." He shuddered as he felt a sudden warmth flaring through him, his muscles burning and tensing as he looked up at the huge Clydesdale, his crimson eyes looking over the man intently. He was starting to feel a little more comfortable around the horny beast, but he wasn't sure why. Part of him was protesting and screaming to get out of there, but another part of him wanted to spend a bit more time with Maximus, wanting to pleasure him more.

'It's starting to take effect...I can smell the horse in you, and it smells gooood...' Maximus nickered as he saw a bulge forming in Dietmar's jeans, his cock quickly springing into an erection, pre dripping from the head as it left a damp, tented patch in the fabric.

"What are you doing to...oohh man..." He let out a groan as the zipper strained, pushing itself down as his cock broke free, the color of it already darkening before his eyes as it slowly grew larger and larger. "I'm...I'm getting huge..."

'That you are...I can't wait to suck that thing off. I'll have you neighing in no time!' Maximus grinned as he saw the skin pulling back, a sheath forming around the base of it as it kept on growing, soon passing a foot in size. The flesh had turned a mottled black as veins showed in the bottom half, a median ring swelling out as the head broadened and flattened, pre spurting out from it. To further complicate matters, his balls quickly ballooned, breaking free from his jeans as they dangled between his thighs, a midnight black to compliment the shaft.

"Uuhh..." He moaned louder, trying to resist touching it, thinking that if he didn't support it, it would go away. Sadly for him, it wasn't going to stop any time soon. It just kept throbbing and pulsing, spluttering pre against his will. He realised that he wasn't going to get out of this, so he wrapped his hand around it and started to stroke it.

'Good boy...you know you can't resist getting your hands on some horse cock...' Maximus kept on observing as his clothes started to grow tighter against him, starting with his jeans. He felt the back of his jeans growing tighter and tighter, being pushed down as his ass began to swell and expand, the muscles in his buttocks toning, becoming more defined as a bump formed at the base of his spine.

His jeans eventually tore as the pressure from his expanding rump became too much to handle, his ass jiggling free as a long, slender tail began to grow from the base of his spine, fine greyish-black hairs growing along it. As his tail grew in, he felt his anus quiver a little, growing a little larger as it pulled back, the color darkening to a pure black as it shifted to sit under his new tail, pulling his balls and stallion cock back with it.

'Nice ass...' he whickered, looking over it. 'Perfect for some equine pounding!' he trotted along to his side, gently nuzzling it. This sent a shudder down his spine as the horse nuzzled his ass, the skin there already thick and hide-like, the color of it a deep black as greyish hair began to sprout over his body. His legs were next as the remnants of his jeans clung to them, his thighs expanding and swelling with muscle, the bottom halfs of his legs growing thinner as the joints cracked and shifted slightly, popping as they began to adjust for a quadrupedial form.

"Mmuuh...mururrr..." Dietmar continued to groan as he jerked himself off, his worries slipping away as he became more and more equine, the thick, musky scent emanating from Maximus hanging around him, clouding his mind, corrupting his thoughts. He was enjoying jerking his stallion cock, moaning as more and more pre dripped down it. He didn't seem to care that he was losing his humanity any more, all he cared about was his own needs... as well as the stallion responsible for this.

'You're looking sexier by the moment...soon those hands will be no good for pleasuring you...but I know something that will work just as well...' Maximus whinnied as he approached the human's front, bumping his hands away from his girthy length. "Hey...what are you doing...?" He protested a little that his pleasure was cut short, but he was soon silenced as the stallion wrapped his lips along his drooling shaft, taking it into his mouth and working it over with that thick tongue of his. "Ooohhhhh....nneeeiigghh..." He suddenly snorted out as he thrusted a little into his jaws.

As Maximus tended to Dietmar, his shoes began to strain, stretching as his toes began to fuse together, his heels rising upwards, cracking a little as all pressure was put in his toes. The nails covering them began to grow darker and harder, slowly covering the entirety of his now singular toe. His shoes split open as his now hooves clopped against the ground, kicking off the remnants of the torn items.

'That's it, kick away your humanity... you'll see that being a werehorse like me is going to be a very fun life' The horse thought as he kept blowing the changing human. His lower quarters were now pretty much horse like in appearance, yet he still had the upper body of a human. This was very quickly changing though as his shirt drew tight against his torso, his stomach gurgling as it began to swell and plump out, his shirt rolling up past his gut.

His pectoral muscles began to grow and develop now, pressing against his shirt as it tore down the middle, revealing his rock-hard muscles, covered in leathery hide and grey fur. To further add to his increasingly bestial look, his chest began to crack and alter, his ribcage growing larger as it barreled outwards, heaving in and out with each breath that he took.

"Uuhrrrffhh.....more...come on..." he whickered, resting his hands on Maximus's head. As he stroked the stallion's muzzle, he felt his hands become heavy, every digit bar his middle finger withdrawing into his hands. When his fingers had finished retreating, his single digit began to balloon and swell in size and prominence, becoming as large as the rest of his hand as the nails grew outwards, covering the base of the digit as the joints in his hand cracked and shifted, leaving him with a pair of fore-hooves.

'Lovely hooves you've got there...they'll be clopping along the ground in ecstasy soon enough.' He watched as his body was nearly finished with its transformation. His body was mostly equine now, the only part unchanged was his neck and head. That was to change now as his neck began to grow larger and thicker, the muscles swelling as it grew a little more flexible, the position of his head altering slightly as it sat upon his large neck.

'Mmrrr... come on, cum for me... I know you can't hold back any more, my sexy stallion' Maximus picked up the pace on his sucking. Dietmar panted and groaned as he felt a slight pain in his head, moaning as his ears grew larger and pointed, moving to the top of his head as his messy hair grew longer, flowing down his neck as it turned the same grey-black that his tail was. His cheeks ached as they grew larger and broader, his jaws aching as they were suddenly thrusted forwards.

"Uhuhhuhh....I'm gonna....gonna cu...cu....cuuuummmmmmNNNNNEEEEIIIIGGGGGHHHHHH!!" He threw his head back, letting loose a powerful neigh as he came hard into Maximus's muzzle, first off firing out his human seed before it was quickly replaced with thick stallion ejaculate. As Maximus drank it all down, Dietmar's jaws finished growing into a broad, equine muzzle, his nose sinking into his upper jaw as the nostrils flared wide, his lips growing broader and rubbery as his teeth gathered at the front of his new jaws, growing thicker and broader as his tongue filled out his maw. To finish it all off, his eyes parted to the sides of his head, turning a deep crimson, just like his friend. In that moment, a new name popped into Dietmar's head from seemingly out of nowhere, defining the werehorse side of him - Aidan.

'Mmm...that was some pretty nice work...but I'm still not done breaking you in yet...' Maximus grinned as he pulled away from Aidan's cock, quickly moving to get behind him. Aidan panted for a little bit, thinking he'd have a moment to recover from his orgasm, but he nearly reared back in shock as the black stallion leapt forward, resting his forehooves on his shoulders as he lifted himself up, his equine prick aiming at the grey's pucker.

'You've got a really nice ass...firm and tight...but you aren't a proper werehorse to me if you aren't willing to take a good fucking.' Maximus grinned wide as he thrusted his huge spear deep into Aidan's rear. Aidan let out a loud neigh of shock and surprise as he felt his tight ass get penetrated by the mighty stallion who was busy riding him like he was his mare. The sensation was somewhat alien at first, but his mind quickly got used to it, registering it as a pretty common trait of werehorses - fucking whatever you laid eyes on.

'Mmm, you're taking this well, my new friend! I'm glad to see that you've accepted this with such dignity...we're going to get along just fine.' the black stallion panted, thrusting harder into his friends rear, driving the full length of his cock into the grey stallion. This was met with a series of snorts and nickers from Aidan, who was bucking against Maximus, their balls smacking together as they did so. Their little rutting session must have lasted for a good fifteen minutes before the black horse finally came, emptying himself into his friend once more. Aidan neighed alongside his friend as he emptied his load onto the ground.

'Perfect...you took that so well, my sexy stallion...' Maximus silently complimented Aidan, pulling out of him as he looked over the grey Clydesdale, taking his form in. 'The night is our playground, and we can do whatever we wish'

Aidan shook off his orgasm as he approached Maximus, giving the black horse an affectionate nuzzle. 'Thank you so much for this gift, my friend... I'm sure I'll put it to good use.' He thanked the stallion silently, looking up at him.

"Well that's an odd sight...two horses in the middle of the park..."

The two horses looked up, their ears perking as they saw a human approaching him. It looked like your typical male fitness fanatic, doing a bit of midnight running as he stopped in front of them. "Perhaps the two of them must have escaped from a farm..." He eyed the horses curiously, but then noticed the scraps of clothing around them, as well as the huge puddles of horse cum. "Ok, that's really bizzare... just what are you two..."

Before he could finish that statement, the two stallions knocked him down, Maximus getting behind him as Aidan got in front of him. The two of them flashed each other a grin as they looked over the man, their horse cocks growing hard once more. Maximus bit a hole through the back of the mans jogging trousers and pants, exposing his bare ass to the stallion.

"Hey, what are you...MMFFFFHH...Mmmurruuu..." He groaned as he felt the horses penetrate him from both ends, Maximus thrusting gently into the mans rear whilst he was forced to blow Aidan. Within moments he was soon afflicted by the transformation, his ass growing larger, allowing the black stallion better entry into the person's rear as the grey's pre caused his front half to change, head growing into an equine muzzle fairly quickly. It did look hilariously out of place on a mostly human body, but that soon changed, and within minutes, they were joined by a brown stallion, the trio eventually erupting into orgasm.

Their neighs echoed through the park and the city, drawing attention to them and bringing people into the park. Within the space of an hour, the 'curse' had spread to nearly everyone in the town, ushering in hundreds of new werestallions and weremares. Not too long after that, the town broke into an equine orgy.

The werehorse 'curse' was spreading rapidly... perhaps you might want to take some caution if you spot a horse going around at night, unless you want to be their next 'victim'.