Everglide

Story by Leo_Todrius on SoFurry

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Everglide Written by Leo_Todrius Commissioned by Canine80

The door to the apartment slammed shut and was promptly locked before Markus rushed back in, a package tucked under his arm. His heart was racing a kilometer a minute, he could hardly resist tearing the package open, but he wanted everything to be just right. He drew his blinds shut, he turned his cell phone off and turned on a lamp on his desk before he dropped down into his office chair. He shuddered happily, knowing exactly what had arrived. He had been waiting for so long... But it was finally here.

His hands began to tear into the packaging, the brown paper and twine going every which way. As he worked, his image was caught in the reflection of his computer monitor. Markus was a lithe young man, tall and thin with lean Germanic features. His brown hair was almost silky, his skin was fair, and his passions were avid. The one secret Markus had always held more secret than any other was just how addicted to his own manhood he was, a passion for self pleasure.

As much of a pleasure as it was, it could be a curse at times too. The slightest thing would make Markus horny and he just had to work it out of his system. Some days he was jacking off over six times a day. He needed help, though not the kind of help many might have considered. He needed help making his jack of sessions even better... As the inner box was opened, Markus saw that that help had arrived. There was a long bottle of a special kind of Lube made by Jules Labs in Arizona, Everglide. The packaging seemed more industrial or scientific in nature than a domestic product, but Markus didn't care, not after what he had heard.

The rumors had sprung up all over the United States, then other countries... Everglide had become a pop sensation, the number one lube for anyone wanting to please themselves. Some said it tingled so much it felt like a massage, others said it made the hand have such a wonderful embrace that it felt like one was giving themselves a blowjob. Markus really hoped that the rumors were true. Even if it was only half that good, he knew it would be wonderful. Still, he didn't want to get his shirt messy. He slipped the shirt off and tossed it aside, the air crossing his smooth, bare skin.

With reverence, Markus unscrewed the lid and set the tube of Everglide on his computer desk before casting the box and wrapping aside. He took a deep breath and reached down to unbutton his pants, bringing the zipper down. He lifted his waist up just long enough to slide his underwear down, exposing his brown bush and his hardening manhood. As Markus settled down bare assed onto his chair, his cock quivered and began to harden under the assumption it was about to receive his customary sort of masturbation, but he had something far different in mind.

Once more, Markus lifted up the tube of Everglide before he started unscrewing the cap. He had anticipated some sterile, science scent. Instead it was a musky, strong, potent one that inflamed his nostrils. He brought the tube closer to his face and sniffed, a shiver of pleasure running down his back. He quickly traded the bottle to his left hand before he wrapped his right around his length, his fingers closing in on the girth, giving it a squeeze before sliding up and down. He picked up the pace, encouraging even more blood into his hardening shaft.

With a steady hand he brought the tip of the lube over his shaft and gave it a gentle squeeze. He had been expecting the contents to be clear, but what came out was a milky white with just a hint of yellow. The slick goo slipped over the mushroom shaped head of his shaft, sliding down over and around his fingers. Markus' back arched as he gave himself a good squeeze before he started moving his had up and down, wiping the musky smelling fluid over his cock from his head to his balls. His entire cock was glistening in the light... and it felt better than it ever had before.

Markus had a lot of experience with working his meat, but he could already tell that the Everglide was worth the money. His length felt as if it was in a hot, warm embrace like a mouth or ass... a cum filled ass... maybe an ass filled by his own cum, his wild yellowish white cum. Markus blushed furiously as he realized how far afield his thoughts had drifted... but he loved dreaming about being a wild animal, it was so different from what he was in real life. As the thoughts passed through his mind, a quiver shot through Markus' shaft, eliciting a gasp from the young man.

The quiver had felt fantastic, forcing Markus to breathe in deeply, the air filling his lungs. It was odd; he could have sworn he smelled the scent of a field of grass in summer, but just for a moment. Markus cast the thoughts aside again and continued working his length. His fingers worked his cock well, caressing every centimeter of the shaft, his thumb brushing the edge of the head of his cock. The lube was still coating his meat, keeping it moist, but it had also started soaking into his skin... Markus glanced down, looking at his cock. It was a bit brighter than usual, a little extra red, as if he could see the extra blood inside... and that turned Markus on even more.

The stroking did not cease or subside, it didn't slow, it remained one rapid assault on his masculinity. Markus' desk chair squeaked a little with the force of his masturbation, but he couldn't slow down. It felt so good. He bucked his hips up, forcing his cock through his hand, his eyes half closed with lust. Again daydreams began to fill Markus' head... He imagined following a hot guy down the street, the hips of the man swaying invitingly, that ass calling out to him. Markus smirked, ass... that was one of the ways he had found Everglide... 'For the erection as stubborn as an ass' one commercial had claimed. Well, Markus had to admit, his erection was sure stubborn.

Each stroke of Markus' hand made a wet slurping noise, the lewd and wet effect turning Markus on even more. He groaned, feeling his cock further harden under his hand. He was a bit surprised, and certainly harder than ever before... but even as hard as he was, the lube seemed to give the skin of his cock a bit more pliability. It almost seemed stretchy, rubbery... and that fascinated the German boy. Markus clamped down hard on his cock with his hand before giving himself a special kind of tug upwards. He screamed out in surprise as he felt his cock stretch longer, but not slide back. The sensation was shocking, so much that he nearly fell out of his chair.

Markus knew it had to be some sort of hallucination; his cock couldn't actually grow like that... this time he'd watch to be sure. He brought his eyes down to gaze at his cock, though he was already a bit surprised... it already looked a little longer... but that had to be because he was harder than ever. Still, Markus had to prove to himself that it was a hallucination. He clamped down hard again and pulled... His cock stretched taut, but then it seemed to pull out longer... and longer. Markus was so shocked that he didn't stop pulling; he merely watched his cock reach a length longer than he had ever dreamed of, just over twenty centimeters. Eight inches was quite impressive for anyone, it was a huge windfall to Markus... and enough to get him to stop jerking off for a moment.

The length of the cock before him was truly impressive, more impressive than Markus had dreamed of being. He had removed his hand to see his cock return to normal, but it didn't... it stayed at its new length. If anything, there was a building tingling inside, a throbbing. Markus watched his cock start to throb softly in time with his heart, tensing and relaxing with every beat. Markus was almost mesmerized by the movement, watching in awe before suddenly, without even touching his cock, it felt as if he was coming.

Markus' hands shot to his sides, grabbing onto the arms of his chair with the intensity of his sensation, but no cum came. His entire body had seized up like an orgasm, he couldn't move, but something else was happening... something far strange. As Markus watched, his lube covered cock began to quiver and pulse, the flesh rippling before it started to move. It was like watching his limp cock grow hard and grow, but... it was already hard. Markus groaned as his cock started to surge longer, growing inch after inch, swelling thicker as well as it went. Twenty four centimeters, twenty eight, thirty... it was growing so fast, getting so heavy...

The growing cock bent toward Markus with the weight of all the blood inside, the head sliding up along his stomach, sliding past his belly button, rising up toward his pectorals. The cum slit pulsed under its own power before thick clear precum began oozing out, practically pouring like a fountain. Markus let out a soft scream of shocked ecstasy as his member passed a foot long, stopping at over thirty five centimeters.

Just as mysteriously as the sensation had started, it ended again. Markus still felt hard and horny, but the mysterious growth orgasm had ended. Markus sat in his chair, his fingers having dug into the arm of his chair, his eyes nearly rolling into the back of his head. He was panting to catch his breath, his heart racing. The whole experience had shocked him so bad he had expected to be going limp, but his cock was staying hard, rubbing against the top of his stomach, leaking and oozing insistently... practically begging him to resume his ministrations.

Markus slowly looked at his giant cock, at how long and thick it was; how the veins almost seemed to form a ring around the middle of his shaft... A pang of pride filled Markus as he realized he had the tool of a porn star, the kind of cock gay men around the world lusted for and drooled over, imagining it filling their asses or mouths or swinging beneath their bitch as they filled them. Markus moaned, his hand gravitating back around his cock. Markus knew he should have stopped, should have waited, but he couldn't. The urge was too strong.

Upon curling his fingers around his meat, Markus soon learned two things. He could barely close his hand around his length, and now that he was so much bigger... one hand was hardly enough. Markus brought his left hand up, resting the palm against the upper half of his cock. Even though he had grown so much, the Everglide seemed to hug his cock, making the entire length glisten and soft on the surface. It really went a long way.

With the pressure applied from both hands, Markus started to slide them both up and down his length, double fisting himself. Soon he was bucking his hips, lifting his cock up and down through the sleeve his hands made, his cock head dripping clear goo all over them both. It was exquisite, it was wonderful, he was hung like a horse. Markus gasped once more as an incredible surge of pleasure ripped through him just as he had that thought. The veins around the middle of his cock suddenly hardened, forming a perfect medial ring. The mushroom shaped head of his cock flared out, blunting and flattening until it was even across the entire top, a slight lip extending out past the edge of his shaft around the top. His urethra spread as well, the cum slit bigger than ever before.

Markus watched in shock as his cock started to look more animal than human, but that was just the start. A spot of his skin started looking darker, the spot spreading out. At first Markus thought it was a shadow or a trick of the light, but the red cock meat turned purple, then brown, then jet black. It wasn't just one spot though, as he peeled his hands back, several more covered his cock. Markus whimpered, fearing that his cock was withering... but... it actually felt really good, as if he had a second heart, his cock pumping the blood as well... The black spots spread out wider and wildly, looking like a mottled horse cock for a moment. The black continued to spread, the spots coming together, meeting up. The spots closed off, covering the upper half of Markus' cock with black flesh before it advanced down, following his cock all the way to the base... and then it stopped.

Markus sat in his chair, holding his hands away from his cock, looking at his horse meat. A minute passed, then another, and another. The changes had stopped at his cock, giving him a fourteen inch black horse cock covered with lube and dripping precum steadily. Markus let what seemed like an eternity pass, but nothing else happened. Whatever it was, it was either over... or needed him to jack off more to continue. Markus took a deep breath, realizing how dangerous the second proposition was...

If he kept jacking off, the changes might continue without end, turning him into an animal without any human intellect, just living to eat and fuck, that feral hot yellowed animal cum spraying from his huge, amazing horse cock... oh how good it felt. Markus opened his eyes, realizing he was jacking off again. He let out a grunt of shock and jumped up onto his feet, staggering away from his chair. His heavy cock swung and bobbed around, sticking out in front of him, but so big and heavy that it curve down toward the floor some.

Markus moved around his apartment, panting softly. He didn't know what to do... He'd never heard anything happening like this before, it was completely unprecedented. Markus groaned as he walked, his heavy cock was bouncing before him, begging to be played with, gravity teasing it in so many pleasurable ways. Markus' fingernails dug into the palms of his hands, trying to distract him from the sensation. He couldn't risk jacking off anymore... but it was no easy feet, he'd always been addicted to his cock and his erection had always been stubborn before. Markus had considered himself a jacking ass before, but never so literally.

After some debate, Markus moved back to his desk and picked up the tube of lube, looking over the bottle. It had straight forward instructions which he'd followed, a reminder to put the cap back on, a patent number... and a delicious scent. Markus closed his eyes, trying to decide what to do... aside from jerk off his shaft. He had to resist, he couldn't just give in, especially when he had such a tasty treat to suck on. Markus licked and slurped at the tip of the lube bottle, squeezing some onto his tongue. The milky yellow cream sprayed across his tongue, tasting like pure man as he sucked the tube. Markus' lips parted in delight.

"Hawww! HAWWWW!" He brayed, shivering happily, yellow lube dripping from his teeth and tongue before he swallowed it down. His cock surged even harder, standing out perfectly straight before him. As Markus gulped down the lube, he couldn't even remember why he was holding back. It felt too good, tasted too good... this had to be his life, the jacking ass. Markus brought the lube back to his huge equine cock. He squeezed the yellow goo all over his hard length, letting it run down the sides before he brought the tube back to his lips.

Markus wrapped his lips around the tube and squeezed the last of the contents down his throat. He gulped and swallowed, feeling it sink down his throat and fill his stomach before he shivered happily. He dropped the empty tube to the floor, both hands wrapping around his hard cock. He gave it a good squeeze, then another and another. His hands started sliding back and forth as he thrust into mid air. Markus bucked and fucked the air, his hips swaying as his legs worked so hard. His huge cock throbbed eagerly, apparently quite delighted to be pleased again.

As Markus resumed jacking off, the changes soon started again as well. The black flesh of his huge cock began spreading out, sliding down over his balls, moving to cover his entire sack. Once they were fully covered, his balls started to swell and grow. His balls tingled as they grew, taking on new size every few seconds. They had started no bigger than average, but in moments they had grown to the size of walnuts, then kiwis, still growing larger... but they weren't the only changes taking place.

The furry bush of hair around Markus' horse cock had been impressive to start with, though it had been the same dark brown as his hair. Slowly the bush was bleaching out, growing lighter and lighter until it was a khaki tan in color. The curls of hair started surging up, sweeping across Markus' stomach before it surrounded his belly button, making him look far hairier than before. Getting into a major stride with his thrusting, one of Markus' hands started to move around, groping his large balls, trailing fingers through his thickening bush and sliding up his chest.

The skin beneath his fingers seemed to ripple, trails of fur following wherever they went, spreading outwards. The pale skin of his chest was disappearing beneath the sandy colored fur, short enough to bring out every contour... contours that were starting to change. Markus' nipples grew rather hard and started to thicken as the muscles around them pushed forward, a crease forming between and a divot forming beneath. His furry stomach shifted as well as abdominal muscles formed, making Markus look well fit as if he was used to taking care of physical burdens. His arm muscles grew more toned as well, his shoulders stretching wider.

The sensation of strength and power was a further drug coursing through the boy's system, but the original remained. If anything, his cock was more insistent than ever. The huge, thick meat throbbed in time with his heart, quivered by his touch, and radiated heat wildly. It was so thick around now his hand was barely able to close half way around it. The skin was slick and shiny, his balls weighing him down like those of a bull. They had to be the size of small oranges already, and the reason why was soon apparent.

Markus' urethra started to pulse before the same feral yellow lube began leaking from his huge balls, running down his shaft, keeping him lubricated. The slime began to run down his legs, the hair on his legs growing thicker and becoming a far deeper brown than that on his chest and around his groin. If anything, the thickening hair seemed a little darker than the hair on his head. Markus gasped in surprise, his second hand returning to his cock. Both worked up and down eagerly at this new development, sending strings up messy precum all over wildly. While some splattered on his desk and the floor, a good amount was landing all over his chest and legs, some even splattering his face. Where the slime had splashed across his lips, a dark brown mustache was growing in above his lips and a soft, short goatee was forming on his chin.

At first Markus was elated, seeing his reflection on the glass of his computer screen, but when he grinned he noticed his teeth were all blunt, flat, even... It was enough to shock him out of his reverie once more. With great effort Markus pulled one hand off of his cock. He tried to stop the other from masturbating. At first the strokes became ragged and uneven, but at last he got it to stop and then pulled it away. Markus panted, looking down at his massive cock sticking up from his groin. It was so far up his chest, it would have been so easy to bury his face around it... to give in completely.

"Hawwwwwww can I be thinking of doing this? I haaawwve a life..." Markus groaned, throwing himself out of the chair, stumbling along. He felt the wind rush through the thick brown fur on his legs and the heat of the precum running down across his feet. Even the tops of his feet were furry now, though as the slime dribbled across some of his toenails, they all started to shift color. They went from an ivory white to a sickly yellow before becoming a deep brown. Markus stumbled some as his toes began to ache and throb, not working like he wanted them to. He braced himself against the wall with one hand, then the other, holding himself up.

Markus panted, trying to get his breath back. His lips were parted as he did so, though a dull ache was filling his face. His lower jaw was throbbing, the pain coming in pulses like a growing bone. In fact, it was growing. The German boy's jaw was stretching forward, making room for larger flat teeth. His goatee seemed even more prominent as his face stretched. Not to be outdone, soon Markus' upper lip began pushing forward, keeping his lips aligned with one another. His mustache seemed to stretch thicker and wider before the middle of it was interrupted. Markus' nostrils were turning up, his nose stretching forward, the bridge becoming a flat angle stretching from his eyebrows all the way down to his lips. He was developing a muzzle.

"No... No..." Markus muttered, reaching up. The change was enough for him to see, the lower parts of his face stretching forward. He ran his hands all over his cheeks, smearing the pre that had collected there before. Dark brown stubble spread out all over his much longer cheeks, his mustache and goatee giving way to a dark brown beard, though the hairs were too soft, too short and even. It was like a coating of fur, just like the fur spreading across his chest and stomach and legs. Markus' ears were the next to pulse and burn. They didn't feel pain in the way that his jaws and toes had, but they were certainly hot... and he could even hear the cartilage reforming inside of them. The tips of his ears stretched up into points, the roundness became more subdued, and tiny short strands of fur started pushing out of the skin.

Markus reached up to feel his ears, moaning at first because of the change... but then because massaging his ears brought him almost as much pleasure as his shaft had. Markus turned around, putting his back against the wall, leaning against it for support. He ran his thumbs up the back of his furry ears, his fingers massaging and squeezing the changing flesh. They felt so exotic, so unique, so soft and tall... He stroked them from where they attached to his skull at the bottom, following the edges all the way up to the tips. A huge jolt of pleasure came as he reached the tips of his ears and didn't let go, tugging on them a little. Just as with his cock, they stretched.

A drip of drool leaked from the corner of Markus' mouth as he pulled on his ears, stretching them taller. The pointed tips stretched to be even with the top of his head, but that wasn't enough. Markus kept on pulling, tugging, stretching. His ears grew taller and taller, climbing to such perfect points, the edges curved forward, the inside full of fuzzy tan fur. Soon the top of his fuzzy pointed ears were far above his head, perked forward, balancing out the length of his muzzle. A drunken grin was on Markus' face. It felt so good to have such big ears... just as he was meant to have.

It was only as the pleasure of his growing ears ebbed some that Markus realized how wet his toes felt. He looked down to see that his shaft had released enough precum to saturate his feet. They were coated in the thick yellow globs of pleasure, but that only accelerated the changes. Once more Markus struggled to remain standing as his toes did not follow his commands. The heels of his feet were numb, forcing him to stay balanced on his toes, but his toes weren't moving. They were stiff and hard... and even though it was hard to see through the precum, the skin between them was growing together. As the flesh evened out, the dark brown toenails began to grow wider and taller, growing and knitting together, forming a cover on the base of his feet.

The new boney cover on his changing feet reached all the way around, thickening as it went, dipping beneath the feet. Markus' ankles popped and shifted to accommodate his new way of standing. He dared to take a step, pulling his foot out of the goo, moving forward. A thick, heavy hoof came down on the carpet. Another step brought a matching animal foot to rest next to the first. Markus moaned in dismay. As hard as he tried to fight, his changes were continuing. He stumbled through his apartment, making his way into the bathroom. He flicked on the light and stepped in front of the mirror, nearly falling over in shock.

The first change was that he almost couldn't see all of himself in the large mirror. He had grown taller, especially with his large ears... his torso was longer, his legs were longer... his face was longer. The fur that had started as a stubble beard had not stopped. His entire face was covered with the brown fur, running all the way up to his hairline... a hairline that seemed far longer in the center, almost as if he had a fauxhawk... but Markus realized it was more like a mane... a donkey mane.

Markus had felt many things as he changed; elation, fear, excitement, regret, pleasure and pain... but now he felt curiosity. He had no idea how he was becoming a donkey, but it was really happening. He had hooves, ears, a muzzle, blunt teeth. It was rather exciting to say the least... and if he had no way to stop it, if he was this far gone... maybe it was best to just see it through. Rather than fighting it, maybe he should embrace it... although Markus blushed a bit when he realized how fun it had been to fight it and lose, for the animal inside to win out. As if to check and see if giving in was the right thing, Markus looked down at his equine shaft. The length pulsed in response before unleashing a thick spray of the tainted precum into the sink, coating the porcelain.

"That is so HAWWWWT!" Markus groaned. He wrapped one hand around his cock again, holding it as he walked out of the bathroom, making his way back to his trusty chair. His new equine nostrils flared a bit as he inhaled the air. He could smell so much more. The easiest thing to smell was his thick manly musk coming from every puddle of his seed, but he could smell the musk he had before... his weaker, but unique human scent that saturated the clothing around the place... but with luck, he'd soak it all down one way or another... for he was far more animal, and this was his domain.

With a brand new confidence, Markus lowered his fuzzy ass into his desk chair. The fur was still evening out across his body, filling in spots it had missed. The brown fur closed in around Markus' thighs and hips, creeping up his back and across his shoulders, closing in around his wrists and slipping along his hands. His fingernails went through a similar change to the one his toenails had gone through, changing from pristine white to a dark brown, but his fingers showed no signs of fusing.

As the fur slipped up the back of Markus' neck and met with his hairline, the thicker hair in the center crept down, the mane growing longer. Markus shivered in bliss, his tall ears twitching. Once more Markus brought both of his hands down to his cock, wrapping them around the thick base. Only together were they able to close around the thickness. Markus murmured as he started to stroke himself, his hands sliding up and down. They picked up speed and tightness, Markus starting to thrust into them, his hips pushing up and dropping down. The chair started to creak with the eagerness he was exerting.

Markus gazed at his huge equine cock, looking at how big and proud it was. A thick donkey tongue slid out of his mouth, licking across his lips before he leaned forward. His lips spread over the flat end of his cock meat, his tongue working the slit. Centimeter after centimeter slipped into his long muzzle. There was so much room for it now, it made sucking himself off easier than he ever imagined possible. Markus started to suck and slurp on his length, his head bobbing up and down just as his hands did, the two meeting at the apex of his ultimate masturbation.

Bent forward as he was, Markus didn't feel the changes starting behind him. The first change came from his furry ass cheeks as they pulled apart, spreading, revealing his pucker. The pale pink human flesh was growing thicker, tougher... and blacker. Soon the ring was pulsating with the desire to be filled, but the changes were far from over. Markus' tailbone was aching as if he had bruised it, but the ache was almost too long. It felt like it was sticking out over his ass cheeks... and it soon was. The nub of flesh and bone pushed out from above his cheeks, growing longer, filling with muscle. Short brown fur was growing along the stretching tail, though the fur at the end was turning black, growing into a puff ball.

The growing tail slipped through the gap in the office chair between the back and the seat, giving it ample room to grow. It continued to lengthen, flicking around, the muscles synching up to Markus' brain so he knew exactly how to move it. His hooves were stomping on the ground, his pucker was tensing and relaxing, his ears were twitching. He was a proud male donkey at the apex of his game. He had been sucking off his own cock for so long that his throat was starting to relax. Markus removed one hand from his shaft, sliding a few more inches into his mouth. The flat equine head bumped the back of his throat before slipping into the tight muscled embrace.

With a hand newly freed from its duties, Markus began tracing his fingers through the fur on his chest. After a moment they found one of his nipples, buried beneath the tan covering. He circled and teased his nipple before pinching and tugging on it, stretching and teasing the flesh. His huge balls ached, releasing more pent up sperm. Markus guzzled the seed down, feeling the warm lube fill his stomach. In the back of his mind he realized that the lube tasted so much better fresh, and that he'd have to be sure to offer his friends the savings on shipping by making it himself... but those thoughts died away as he resumed his pleasure seeking.

Markus' throat vibrated around the captured shaft, sending even more waves of pleasure down his mighty length and into his large prostate. Every part of his body had been changed to maximize pleasure. His cock and balls were so big and sensitive, his sense of smell and taste were enhanced beyond belief, and his skin was even sensitive enough that any caress of his fur by a hand or wind was sensual to say the least. Markus was even fairly certain that his big donkey ears were now erogenous zones...

Markus' free hand had roamed around before coming to the base of his shaft. The German donkey had expected to resume his jacking off, but his fingers found a change he had missed... while his cock was immense enough already, it had seemed to be pushed up away from his groin, a thick mound of flesh growing around the base. It was covered with dense fur, hugging his cock tightly... and it was at least as long as his cock had been before. Markus searched through his mind before remembering what it was called... it was a sheath... a sheath to hold his cock that would always be hard from now on.

Markus fingers began to slide up and down the furry sheath, finding petting it to be stimulating beyond imagination... but as he got used to even that level of lust, he needed more. His fingers started to probe the upper edge of his sheath, finding the lip of it around his length. It was stretched tight with his cock being out, but Markus so wanted to feel inside. He started to probe the edge, tugging on it and stretching it, making the flesh looser before his fingers plunged into the hot, wet interior.

The donkey boy's eyes rolled into the back of his head as he thrust his fingers in and out of his sheath, the other hand working his cock, his mouth sucking on the majority of his length. There were so many ways to seek pleasure in his body and they were all so good. Markus was overwhelmed by the pleasure building to levels beyond his wildest dreams... but he knew what was coming as his brain erupted into sense beyond measure. Markus' back arched as his muzzle slipped off his shaft. He lifted his head to the ceiling, his lips parting involuntarily.

"HAWW!" he brayed as he felt his seed rushing out from his balls, "HAAAAWWWW!" he brayed louder, feeling the sperm shoot up his huge shaft, taking what seemed like an eternity, "HHEEEEHAWWWWW!" Markus exclaimed as his urethra spread wide and a huge fountain of tainted donkey cum shot up high into the air, raining down across his body, soaking his thick fur. Unable to move more than his head, Markus opened his lips to greedily collect and gulp down his seemingly endless flow of cum.

The sperm continued to flow, saturating the fur of his head, chest, and legs. The musky scent filled the room, embedding itself in his clothes and furniture. He was a virile animal, one that would exude his presence over others... and he was a male befitting his problem, an erection so stubborn it had turned him into an ass... but his cock would be ever ready to glide into any orifice or any hand, ready forever more to express lust in the most primal of ways.