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*Knock* *Knock* *Knock*

Shaun was standing outside Josh's door, clad with pajamas, bed-head hair, groggy eyes and a frown on his face. A buzzing alarm had been going off behind the other side of the door for the past five minutes. Shaun huffed and gripped the door's handle, shaking it in a vain effort to get into Josh's room.

On the other side was Josh, splayed across his bed, seemingly unfazed by the hectic noise. Shaun gave one last attempt to wake Josh, banging the side of a clutched fist against the door three times along the syllables "O-pen-up!" Shaun stood back and crossed his arms, shaking his head and turning to his room to get ready for Tuesday classes.

Those last knocks caused Josh to stir. They were faint to his ears, but interrupted his deep sleep. Immediately afterwards came the incessant alarm beeping, each series seemingly escalating to slacken Josh from his stupor. He rolled onto his side and inched his legs over the side of the bed, steadying himself upward. He yawned, stretched, and rubbed the sleep dust from his eyes. He looked over to his alarm, which read: 9:07AM TUES.

"What?" Josh asked himself. Without skipping a beat, he scrambled out a bed, threw textbooks and papers around, swapping out his clothes for the new ones he'd bought, and sprinted out the dorm.

Shaun listened to it all, laughing to himself as he took his sweet time. He was getting ready for his own class, which started in less than half-an-hour. He had now fixed his hair and returned to his room to change clothes. Two piles of laundry sat in the corner of the room, one for clean and another for worn. From the pile, he pulled out a pair of black socks and navy blue boxer-briefs, discarding the pair he'd donned overnight. Without a thought, Shaun slipped them on. They felt stiffer than normal. Perhaps he hadn't used as much fabric softener in the last batch of laundry. Shaun dismissed the inconvenience and resumed tidying himself up for class.

---

A clock sat above a wide, indoor hallway. Down the hall was the opening to a large atrium, the center of a large business college building on the end of the university campus. Classroom doors lined the first-floor hallway, with the door closest to the clock wedged open, a classroom of students sitting silently, scuffling through notes in a manner seen only on a select few days per semester. A professor, appearing to be in his late 40s, stood front and center over a desk covered in a pile of sorted papers, ready to be handed out. The front doors of the atrium were hurled open with a familiar figure sliding by, turning down the hallway and slowing his run to a winded jog as he passed through the doorway's frame and into the classroom, sliding between a few students on the way. The clock above read 9:28AM.

Josh was gleaming with sweat, his huffing being the loudest noise in the room. He took a seat and pulled out a few necessary tools for the exam about to be passed out. A few students smiled, relating to his situation.

The professor waited for everyone to be seated and piped up. "Put everything away and turn your phones off" he announced, walking by the rows of seats and passed a pile to the students at the end of each row. "You have 75 minutes to complete the exam. You can begin as soon as you receive it."

Josh spent those seconds to get a grip of himself. He'd completely forgotten about his exam today. Even though he had told Austin he had to get home to get something done, he spent the time last night studying for his other classes, thinking his accounting exam was today instead. The realization was hard to swallow, but he took a deep breath with the confidence his prior studying would be enough.

Josh had opened the exam and passed the extras along to his side. They were all written response questions for his introductory level finance. The first question read:

1) Capital Two is advertising a 60-month, 4.99% APR motorcycle loan. If you need to borrow $9000 to purchase your dream motorcycle, what will your monthly payment be?

Josh pulled out his calculator. It was simple enough to punch in the values given and have it spit out a monthly payment of $169.80. 24 questions remained. The next question read:

2) Suppose a 10-year, $1000 bond with an 6% coupon rate and semiannual coupons is trading for a price of $982.76. What is the bond's yield to maturity (expressed as an APR with semiannual compounding)? If the bond's yield to maturity changes to 7% APR, what will the bond's price be?

Josh struggled with this question, fumbling with his meaty fingers against the calculator as he second guessed what to do. He got a value of 6.24%, but mistakenly used annual coupon payments instead of semiannual, which would have given 6.16%. The same error led to the bond's new price being off too.

Josh's pace was already slowing. He spent too long rereading the questions, confused over what they were asking for. It was giving him an abnormal headache, one that urged him to get up and leave, to forget such abstract concepts as finance, but the exam was too important to fail on a whim. His hand shook as he turned the page to read question 3, which read:

3) Suppose a firm is expected to pay a dividend of $1.40 next year. After that, dividends are expected to increase by 25% for four years. After the fifth year, dividends are expected to increase at a rate of 3% per year indefinitely. If the required return rate is 11%, what is the price of the stock?

Josh's mind glazed over the context, thoughts muddled. He failed to acknowledge the formula needed to solve the question. He leaned back in his chair, whipped sweat off his face and readjusted his rear before turning the page over, skipping towards the end of the exam, hoping to find an easier question.

18) At the end of 2014, Industrial Pharmaceuticals forecasts its free cash flow will be $40 million in 2015, $60 million in 2016, and $42 million in 2017. After 2017, the firm expects its free cash flow earnings to grow at a rate of 5%. The firm has $80 million in debt and $35 million in cash. If the firm has 12 million stocks outstanding and a cost of capital of 12.5%, what is the firm's stock price at the end of 2014?

This question was even harder than the last! Josh ignored it and scanned through the others. Most were just as complicated. He spent the next hour scribbling what knew, or what he thought he knew, in disordered notes across the pages. A scowl defined his face, showing his frustration with how uncertain he was. He took long pauses between questions, looking over himself and occasionally at the students ambitiously working around him.

He saw another student to his left on the same numbered question he had in front of him, but the numbers jotted down didn't correlated to his own. Were there different versions of the same exam, or was at least himself or the other student getting the question wrong? The professor, Prof. Rhodes, cleared his throat and Josh looked up. He was staring right at Josh and a few other students followed Rhode's eyes to Josh, getting the same message Josh was receiving. He turned back to his own paper and propped his arm on the desk, the palm of his hand now obstructing the view to his left.

Some students had started to filter out of the room, turning their exams in.

"Time's up, stop what you're working on and head to the front with your paper as is." Prof. Rhodes said. Josh was one of a handful of students still present, with only a couple still working, the rest spending the time to review their work. He gathered his work, passed it in and left the room, shoulders lowered and head slackened. He still had more lectures to attend, but his focus would remain on reflecting on and worrying over what just happened.

---

Meanwhile, across campus, another man strutted to class, late, but collected and unfazed. He made his way to a lecture hall in the science college. By the time he'd arrived at class, the professor was already lecturing. Shaun entered the from the back of the lecture hall, taking a seat in the farthest row from the front as another man pulled a backpack off the seat for him.

"You're late again" he said, giving a gentle push against Shaun's shoulder. He had a slightly darker complexion than Shaun, with curly hair. His frame was taller than Shaun's 5'9", but had a slimmer body.

"Who cares, Oscar? You've been late too and I'm only here for the attendance grade. This class may have to do with your major, but it's an easy elective for me."

"Hey, it's easy for me too, but if you keep it up she's gonna notice and call you out. She's done it in other classes I've taken with her."

Shaun shrugged and plopped a notebook in front on him from his bag. "I guess so, but I'll let her make the first move if she cares. No point changing if you don't get in trouble."

Oscar retorted, whispering "I'm telling you, she will. Don't say I didn't warn you."

Shaun just opened his notebook. Some sections had notes relevant to the course material, but as the pages went on they became sparse, reflecting Shaun's loss of interest as the semester progressed. On the screen was a slideshow of the lymphatic system, with a diagram showing a map of lymphatic nodes. Shaun took to copying the diagram into his notebook.

The professor rattled on, explaining the significance it has on a healthy immune system. Shaun didn't care, as online testing for the class meant he could cheese his way to good grades. He continued sketching out the figure on his notebook, filling in details to kill time. Once he had mapped out the figure as much as he could, he moved onto another fresh sketch, this time an exterior view, a proper drawing of a person.

Shaun's feet were fidgeting. His left foot felt overheated, cramped inside his shoe. He tried readjusting it with his other shoe, pushing the heel of the shoe down and shifting his toes inside. None of that was relieving, so he gently kicked off the shoe, letting his foot breathe, but an itching sensation never left. He didn't think much of it.

This new sketch started out resembling a Vitruvian Man with four limbs, like any other with four limbs in spread pattern. Gradually, Shaun erased various areas to redraw with added definition. Careful effort was placed into drawing the bends and joints in the hands. The hands were thick with stubby fingers, what you'd expect from a man with a decade of physical labor. He worked his way down the arms, contouring the triceps and shading in shadows, fabricating a sense of depth that made the muscles pop.

What began as boredom grew into captivation and dedication to create a realistic representation in his drawing. He kicked off his other shoe and used his foot to scratch at the other. His left foot was oddly warm, with the heat radiating outward, up his leg.

Shaun outlined the abdominal muscles and a pair of beefy pectorals above them. A scrawny neck was replaced with ropes connecting to the shoulders and clavicles. Shaun skipped over the groin, working his way down the thighs and calves. Much like the hands, the blobbed feet were erased, redrawn with individual toes. High arches brought most of the feet off the ground.

Shaun placed his pencil down and evaluated his work-in-progress. The featureless face looked back at Shaun, but the body still seemed incomplete. Shaun brought the pencil back down the paper traced the form of an unaroused shaft and balls, letting no question pass by over its sex, as if the slim waist and broad shoulders didn't lay doubts to rest.

Shaun's pencil came to rest, the led worn down, and he judged is work. This was the most effort he'd ever put into a drawing, a drawing that crudely stuck out among the rabble adorning the rest of the notebook. But... there was something still wrong with it. Shaun couldn't shake the thought from his mind that his creation deserved more. Shaun's grip on the pencil led it back to the paper, twirling it upside-down. The eraser careful smudged off the Vitruvian Man's modest junk. Another stroke of graphite came down between the thighs, this time turning inward to form a cockhead halfway towards the knees before swooping back up to draw the other side. The balls were brought lower, too, with each full enough for both of most men's testicles.

A sweat was forming across Shaun's brow. The world around him silent, slow and disconnected. Underneath the table, Shaun's package stiffened, a visible outline working its way down his shorts. The slightest movement could be seen with each heartbeat pulsating the area.

Shaun's focus was unbroken, now having him draw small varicose veins squiggling along the shaft, giving it an unmistakable erection. The cockhead was given a gradual, curved crown, working its way behind the shaft as it approached the tip. Finally, Shaun brought his pencil to the bottom and made a small notch, the slit.

A droplet hit the bottom corner of the page and snapped Shaun back to reality. The ambient noise of the lecture hall and the professor talking returned to his ringing ears. He brought his idle hand up to his face and it brushed the corner of his lip, where saliva was rolling down to his chin, mouth agape.

"Nice dick" Oscar, smirking, nudged and motioned with his eyes toward the paper. "Really that bored, to be drawing middle school crap? Although, if you're going to draw something so absurd, why not take up the whole page?"

Shaun didn't immediately respond. His body was uncomfortably hot, his feet aching, throat dry, and head beginning to spin. "I... I'm not feeling so well."

Oscar's smirk disappeared and eyes widened, a sense of genuine concern for his friend taking root. "You're not gonna puke, are you? You look like you've got a fever."

Shaun's skin was flushed. Slowly, he stood up, put his shoes back on, and threw his notebook into his bag. Standing up intensified his light-headedness, with much of his blood flowing between his thighs, tenting his shorts. "I gotta go" was all Shaun could muster under his breath as he stumbled towards the door, attracting the attention of a few students in the class and the professor. Luckily, he was turned away from them, and the professor watched him leave uninterrupted, having seen the way Shaun staggered.

---

Back at the dorm, keys rattled in the front door's lock, with the door swinging open. Shaun fell to one knee from the force as he passed through the doorway. His bag was placed on the floor and shirt shed, a whip of the arm sending it across the room. A sheen of sweat glazed his upper body, instantly cooling Shaun as it was exposed to the air. The door to the fridge was opened and a hand brought a jug of water out. Shaun took a few chugs of the water before placing it down onto the counter and letting out an audible sigh of relief.

Now that he was back as his dorm, knowing Josh was still in class, Shaun could lay down and relax. He took a seat on the couch, kicked his shoes back off, and unbuttoned his shorts to let his waistline breath too. For some time, he sat back with his face towards the ceiling and arms reached out to his sides. Although he was cooled off, his body failed to calm down, with a bulge pressing against is underwear.

As his temperature plateaued, that incessant itching sensation returned. His left foot might as well have been in a marathon for how sore it was, with micro spasms twitching along the length. Shaun turned his body on the couch, bringing his foot onto his lap. He loved it when Alison would massage his feet, but calling her up probably wouldn't end the way he'd hope with the way she ranted yesterday over the phone.

He took it upon himself to fill her role this time. He brought his thumbs to his arch, pushing them into the mixture of dark polyester and cotton over his skin. The sock was definitely stiffer than before now that his hands gave a proper judgement. The pain melted away, with each stroke resonating to the bones. The hair on his body stood up from the goosebumps cascading up his body. The heel was next to get the treatment, its thicker, calloused skin not being as easy to please, with his hands instead massaging the edges for real relief. He glided his hands up the sides next and kneaded his thumbs into his soles in circular motions. His fingers rubbed along the top of his as his thumbs worked their way up to the toes between each stroke. He could feel the nails and his left thumb slid its way in an out of the gap of the big and index toes.

By now, deep exhales came with the rise and falls of Shaun's chest, accentuated by his straightened spine as he sat forward. His right thumb mirrored his left, kneading at the smaller toes. Confusion swept across his face and the pace of the massage was broken. He ran his hand over his toes, mentally counting the bumps he felt under the dark sock obstructing any curves with how little light it reflected. It gave several counts before he came to terms he was only counting four bumps. He pushed his fingers between the toes, plying them apart, but still, only three gaps were present. He murmured to himself "What the hell" and finally brought his previously shut eyes to confirm is suspicion. His heart skipped a beat. He rolled up the sock and threw it aside. A deformed fourth toe sat at the end of his foot. It had a visible indent running vertically down the middle. Shaun probed at the indent, suspecting pressure throughout the day smudged the toes together and just needed a quick tug to unstick the fastened skin. No application of force was helping, so Shaun looked closer. The indent was becoming smaller as the seconds passed.

He turned his foot over to view the front and abruptly yelled and thrust his back into the couch, leg kicking forward into the air, where it held place, as far from is body as he could get it. The nail-beds of the two toes were fusing together, with the excess seemingly vanishing. The two lumps of his toes became one rounder, larger toe. He tried to splay his toes, sending signals to the muscles to spread apart, but try as they might, the bond was unbroken. After a few more attempts, Shaun realized the sensation was changing. The muscles in the two toes stopped fighting each other, now moving as one, no longer independent. Beneath the skin, the bones realigned with the calcium of his metatarsals and phalanges melting together. His nervous system rewired to treat the area as one toe.

There was no discomfort for Shaun. His changing musculoskeletal system left his nerves on rapid-fire, the pain receptors oddly quiet. He reached back down to get another feel. The flesh was extra sensitive, making Shaun clutch the top of his foot and bunch the toes together. Small sinews of flesh bridged between the toes as he loosened his grip and the toes spread back apart. They spread, filling any gaps between the four toes and thin enough to see the new blood vessels pumping within if held up to a light. They could only be describing as webbing you'd find on an aquatic mammal. The bottoms of his toes and soles were flushed, gaining a pink complexion.

A wet spot formed on Shaun's crotch, precum staining his shorts. Every tingle in his foot jolted back between his legs. He reached for his fly and zipped it down, letting his underwear breath, far more soaked than his shorts. He fondled at his balls through the fabric, rubbing them in his palm as his other hand fished out his cock. It squelched in precum, dribbling down the sides and lubricating the shaft. Shaun thought back to the drawing he made earlier, how envious he was of his creation's thick length. His own cock was standing tall, all six inches, with the foreskin naturally retracting as it expanded. He rhythmically pumped his shaft. His chest tightened up and he bit his lower lip as he felt the oncoming of a climax. His balls should have burst, but with each pump they only grew in diameter, now completely filling Shaun's hand. His other hand was having more trouble wrapping around his shaft, and each motion was taking more distance to work up and down. Several inches of length were adding onto his cock, now a monstrous nine inches.

Shaun had the soles of his feet against each other. His morphed, webbed foot dwarfed its socked counterpart, toes gripping around the top as the bones creaked and readjusted. The nails of his foot sank into his toes with the keratin thickening to create clear, animalistic nails. The pink soles rubbed the other. The sock strained and ripped, nails puncturing the top and sending rips down the length. They were shredded and remained clung to his ankle. While underneath the now ruined sock, his right foot had gone through the same process, now with four webbed toes of equal size.

Shaun let go of his balls and used both hands to stroke his expanding cock. The skin was losing its fair coloring, turning snow white, but his cockhead and the skin beneath his foreskin shifted to a likewise bright pink found across the soles of his feet, matching his nipples too. His blond public hair was turning pale white, growing into a short, flat matting that scrawled its way over his balls, making them fuzzy.

His hips were bucking, slowing down, but each buck was lasting longer. Finally, his balls let loose and pearly white cum sprayed out the tip and a handful of long ropes. The first two hit Shaun's chest, while the rest dribbled down his cock and over his hands. The last load had a yellowed tint to it.

He sat back, exhausted, and let his hands flop to his sides. He closed his eyes, his breathing slowed, mind drifting elsewhere as he gave his body and chance to recharge.

What Shaun didn't see what the effect his load was having on the skin it met. Splotches of white fur sprouted up where the cum had landed on his chest. They were short and even. The cum on his hands caused a similar effect his feet had experiences. Tendrils of flesh connected his fingers two-thirds the way to the tips, elastic webbing. His palms turned a bright pink with the skin being much soften than before. The nails sunk below the surface, curving into claws.

---

Josh was working his way up the stairs to his dorm, now finished with class. The manner he walked in was defeated and sulking, still worried over the obviously poor grade he's get back for the exam he was unprepared for. Now that he was home, however, he could relax and spend some time reorganizing his responsibilities, accounting for another possible roadblock. A bad exam wasn't the end of the world, especially with the other problems he was dealing with. It just added onto the burden.

Josh got to his door, jiggled the key into the lock, and opened it up. He expected a whiff of the familiar scent his dorm had, but a pervasive musk marched by his nose, enough for him to take a step back into the fresh air before plugging his nose and coming back in. It smelt like an orgy was held here, a very masculine orgy. He looked to his side to see clothes spread across the living room.

"Shaun!" he called out. A bang came from the bathroom, like a piece of hollow metal hitting tile. Josh worked his way towards the bathroom. The aroma clouded his head as he got closer, now feeling like a dense, clear smog. He pinched his nose harder but could still taste something on his tongue.

Finally, a response came. "Don't come in!" Shaun's voice replied from inside.

"What do you mean, is something wrong?"

Shaun paused, thinking of what to say. "I just - I need to see a doctor." his voice shook, the concern being unmistakable.

"Why? What happened? Open the door." Josh reached for the handle, which was unlocked, and gently pushed it open, testing Shaun's reaction. The door was slammed back shut.

"Don't come in, I can handle it."

Josh was getting worried. From his own experiences, the clothes laid around, and the smell, he was suspecting the worst. He headed back to the living room, where two socks were, one intact and the other shredded. He brought the intact one up to his nose, taking a deep whiff and immediately the hairs on his back stood up. He could smell himself on the sock. The faint, canine musk he'd come to accept over the past few days.

Josh ran back to the bathroom and gave another attempt to open the door, which Shaun still wasn't smart enough to lock. It was shut more forcibly this time, so Josh turned his shoulder and gave the door a ram, nearly knocking it off the hinges and sending Shaun backwards, onto his ass in the shower.

Shaun was draped in a towel around his waist, donning nothing else. The landing left his legs spread and Josh could see a rather large, flaccid, uncut cock covered in inhuman white skin nestled in the shadows. Then he noticed the other changes across Shaun's hands, feet, and chest.

Shaun got back to his feet rushed past Josh, hoping he saw nothing, and into his room to put on some clothes. Josh just stood outside, waiting while thinking over what he just saw. Did he do this to Shaun? If not him, then who? That sock was enough evidence to say it was him, but did that mean precum was enough to infect Shaun? What if he overreacted and told someone? Would someone come for him next? Maybe it was still reversible.

When Shaun came back out, he took a step, marching towards the front door, but Josh clutched his arm, stopping him in his tracts. Even with a clean shower, Josh could still smell Shaun, and it clouded his judgement.

Shaun flung his arm yelling "Let go!" and put all his weight on an angle to attempt to break free.

Josh used is newfound strength to hold him in place. "I can help you. You can't leave like this." Josh murmured.

"How the_fuck_ can you help me? Have you seen what's going on?" Shaun raised a flip-flop clad foot and turned his grappled arm over, opening the palm to give Josh a good look, hoping he's be shocked and let go.

"That's exactly why you can't leave." Josh sternly replied, a harsh demeanor Shaun wasn't used to seeing from Josh.

"To hell I won't!" Shaun raised his free hand into a fist and winded it back, flinging it forward into Josh's face. The punch landed, causing his neck to twist when it hit his lower lip. Josh was practically unfazed as neither of his legs moved, nor did his grip lessen. His lip was split, a small gush of blood ran down to his chin, but in what could only be described as a miracle to anyone else, the trickle of blood quickly stopped. His lip had healed over in moments, but the area around is was now looser and blackened. It resembled the lips of a dog.

Shaun was astonished. Nobody moved for what felt like a minute. Although Josh's eyes shone with authority, there was a glimmer of hurt, and his mouth never snarled.

"What's going on, Josh? What's happening to me? What's happening to you?"

"I-I don't know. I wish I did."

Josh slackened his grip on Shaun's arm once he felt Shaun wasn't going to bolt for the door. "I need to show you something." Josh said, grabbing his own shirt and bringing it over his head with his arms. There, Shaun looked forward, where he now came face to neck with Josh, looking at the six nipples lining his muscular chest. Shaun's mouth was slightly open in confusion.

"I think this is my fault." Josh said.

Shaun was speechless.

Josh wasn't sure what to do next, but it somehow felt good to finally share his secret with someone. He figured if he was to share what he knew with Shaun, that meant showing everything. Josh undid his pants next, bringing his thumbs under the waistbands and letting his boxers fall with his jeans.

Shaun's face was blank, overflowing with questions as he stared at the tan-furred sheath and fuzzy balls dangling behind it. He should have ran, but something was overwriting his sense of flight that tried to kick in once fighting had failed. He was intrigued. The sheath was unlike anything he'd seen, but those furry balls were familiar, reminding him of his own new ones. That relatability kept him in place.

"This started happening a few days ago, once I got back from the hospital." Those words went right over Shaun's head. Instead of replying his similarly dropped his pants with his clawed fingers, letting Josh get a second look as his shifting junk.

Even freshly cleaned, Josh got a strong scent of that musk into his nose, his canine senses picking up natural body odor. His eyes rolled to the back of his head and his nostrils flared. His blackened lips were creeping across the rest of his normal lips, and sharp canines protruded out of his mouth. He took a step towards Shaun, closing the gap between the two of them, and wrapped his arms around his smaller frame. He dug his nose into Shaun's neck, where Shaun could now feel the wet, darkening nose breath onto him.

Shaun tried to worm his way out of Josh's grip, but as he did he lost his balance, sending both to the floor, propped up against the hallway wall.

"You're not fixing a godda-" Shaun was interrupted by Josh, who brought his face up to his own. A broad tongue lashed out and into Shaun's mouth while he was speaking, probing the insides and mixing saliva. Shaun was disgusted at first, but the saliva had a quasi-aphrodisiac quality. He let the tongue fish for his own, where it wrapped around it in a warm embrace, letting Josh do all the work while he was enjoying the ride. With each passing moment, the tongue could explore deeper into his mouth. Josh was gaining back his muzzle, now complete with chocolate-brown fur, a square and moist nose.

Bumping against Josh's nose was Shaun's morphing nose. The pores darkened and the nasal bridge melted away, leaving a black nose, rounder than Josh's. His upper lip formed a cat-like indent up the middle. It remained hairless for now. His own tongue grew more pliable, prehensile, and squirmed its way around Josh's in a range of motion he never had.

Josh brought his hands down to Shaun's sides and guided his frame to lay on the floor, facing Josh, who quickly followed suite, mirroring how he'd just moved Shaun. Their bodies were now facing each other from head to foot. Josh's sheath was pressing into Shaun's shaft. The slick canine-cock pointing into his shaft. Josh motioned his hips to rub the protruding, red cock against his roommate's. Shaun's spongy, mostly human cock rose to meet his roommate, the slickness of his previously hidden cock mixing with the precum beginning to dribble from Shaun's mushroom head. The canine cock dwarfed its counterpart, standing at just under a foot long to Shaun's nine-incher. Shaun did his best to wrap his webbed hand around their two shafts, only managing to get halfway around the circumferences. He stroked up and down, aiding the shafts in their frotting. Their precum was falling to the side, pooling on the hallway carpet, falling in strings as the stroking pushed it aside. At first, Josh's shaft was a smooth tube, but the bottom of Shaun's hand was bumping into something round, a knot ballooning at the base of Josh's red rocket.

The sensation of a full knot interrupted Shaun's focus and he pulled his tongue out of Shaun's mouth, who desperately tried to leverage it back in with his own, but to no avail. He sat up, and with no words guided Shaun up to his own feet too, and walked him to Josh's room. There, Josh pointed to his own bed and patted Shaun's butt, sticking part of his hand up his crack and looking down at the pulsating knot. Shaun shook his head, as if you say no with concern it wouldn't fit, but Josh pushed him onto the bed anyway.

Josh got Shaun to sit on his elbows and knees, ass in the air. His virgin hole was out for the world to see, as tight as Josh's used to be. Josh stuck a thumb down into his sheath, getting a fingerful of natural lubrication as he scraped it along and out his sheath, over the knot and along his length. As soon as he had, the black callous on his thumb returned as the nail-bed sank into his skin, turning dark too. He carefully brought the thumb up to Shaun's puckered hole, working the precum into the ring. Gradually, the ring relaxed, letting the thumb slip inside, where it worked to coat the walls with the canine lube. Each time Josh pushed against the walls, he felt them give, as if he was molding the cave.

His thumb finished working its way as deep as it could into his roommate's ass. It was brought out, to be replaced with Josh's tongue.

A moan escaped Shaun's lips, letting Josh know he was enjoying their time together, whether Shaun had a say in the matter or not.

Josh brought his tongue back out, satisfied with the space he created, but Shaun's moaning didn't stop. A nub of flesh was developing just above where Shaun had been violated. It started out resembling a small abscess pushing against his spine, but it quickly grew out, gaining a point from where new vertebrae came in. With each pop, the tail grew thicker and added extra length.

Watching this affair reminded Josh of his own tail. He reached and rubbed at his backside, coaxing a much narrower tail to snake down. It began to wag as the last few vertebrae filled out, showing how entertained Josh was.

Shaun's tail was still expanding even when Josh's had finished. It was thick enough to be a third leg and long enough to touch the sheets under Shaun. Josh realized, as if the webbings hadn't given it away already, that Shaun wasn't become a canine. He wonders what other species of half-animals he could create, thinking back to how the man who he 'met' in the park had the slit eyes of a cat.

Shaun's tail finished developing, with Shaun panting and covered in sweat, ruining the shower he'd just taken. Shaun looks back at Josh, as if to say he was ready to continue. With that, Shaun crawled onto the bed and positioning his knees to the side of Shaun's and raised Shaun's new tail over his own chest and out of the way. His puppy-member was quaking from neglect, the tip lining up to Shaun's cheeks.

The tip tapped against Shaun's hole, the shape allowing it to wedge its way inside regardless if his ass was tensed. Both had never experienced this sensation before. Shaun had never had his hole filled to the brim by an intruding object, and Josh had never had his tool wrapped around so warmly by another, male or female.

Josh started slow, not being able to get very deep without resistance, and his balls slapped back and forth like a netting with two oval tennis balls. His balls and prostate worked overtime, producing as large a load they could for his roommate. Hormones flowed through Josh's body. His muscles quaked, surging and filling the volume his bestial form desired. Josh balanced himself on one hand, bringing the other up to tweak one of his upper nipples. The sensitive flesh sent shockwaves of pleasure down his body, motivating his chiseled pectorals to fill up faster. The palm and fingertips of the hand molesting his nipple took on an abrasive texture, darkening and matching the already morphed thumb. The rougher texture irritated his nipple is a slightly painful way, but the new sensation was exhilarating. His other hand, clutching a handful of sheets, shifted shortly afterwards, the digits stubbier than the human versions. Josh's feet were next, growing in length that would burst any shoe, with padding ballooning on the four remaining toes. His ears migrated up his head, pointed and steady. Tan and chocolate-brown fur spread across his body giving the creature the pattern of a German Shepard. By now, Josh resembled the same beast who hid under Shaun's bed imagining having his way with the smaller human, but now domineering over his ass.

Shaun's cock, leaking precum, bobbed under his waist as the dog-hybrid pounded away. He could feel the creature's thrusting intensify, filling out his flesh and testing the limits of his increasingly supple anal cavity. It dug deeper, and a wall of flesh was preventing any further advances for the knot. Try as it might, it was making no progress on its own.

Shaun wanted to be filled to the brim like a bitch. He concentrated on relaxing his sphincter, as he did, all the muscles in his body reacted. His abdominals were cramping as the muscles multiplied. The fibers didn't become thicker, but multiplied in number, occupying space his body had to make room for. Entirely new muscles formed and his spinal column lengthen by a few inches, letting the new muscles migrate into a newly created area near his stomach. He had a new row of abdominal muscles, which made his upper body disproportionately long, the type an Olympic swimmer would excel with. The furry patches on his chest and crotch radiated outwards. White fur sprouted from the hair follicles across the front of Shaun's body, from muzzle to groin, while blond fur worked its way along his back, down his limbs and the rest of his head, matching the short hair on his scalp. His ears shrunk is size, the flesh melting into semi-circles and migrating up his head.

A German Shepard morph was pounding into the ass into an otter, no longer resembling humans beyond their plantigrade, upright postures. The otter was easing his ass into the canine cock, motioning opposite his companion to maximize the thrusts and huffing his breaths.

Finally, the dog locked his legs, pulled the otter's tail back and thrust will all his might into the otter. The knot was destined to get inside, to lock his mate into a bond only broken with time. It slid itself along, with the otter pushing his ass back and relaxing as much as he could. He thought his ring would tear, but the lubrication obstructed any friction.

With a pop and slurp, Josh was inside, and his hips bucked wildly again, now sending the otter's backside flying with no room to give. Their balls slapped against each other, confirming neither would walk away pretending to be straight. The knot was as snug as OJ's hand was in a glove.

Shaun's prostate wasn't just being massaged, it was being pushed aside. The pressure caused him to leak like a faucet while Josh's cock approached a magnificent climax. Josh leaned forward and pushed Shaun's head into the pillows, arching his back and letting out a chilling howl. His cock sprayed his ivory spunk into the hole in a series of several ropes, filling it to the brim, with the pressure enough for some to leak around the knot and down Shaun's ass.

With that, Shaun yelled out into the pillow and he let loose his own load onto the bed. Ropes splashed all the way to under his chin, leaving wet lines back to under his cock, where the last ropes drizzled out.

Their knees gave and they both fell into the sheets. Shaun tried to turn over to face Josh, but the knot in his ass refused to deflate, preventing him from moving and letting his larger counterpart decide how he moved. Before he could say anything about the knot, Josh was passed out napping. Something felt right about the knot still lodged in his ass, as though it filled an empty sensation he craved to avoid, and being as vulnerable as he was around someone, but still feeling safe, shut down any protests his mind fabricated to leave. He'd never been the little spoon before.

There was nothing left to do but close his eyes and doze off, wrapping his arms around his roommate, keeping him warm was they slept.