31 Days Of Derek Hale

31 Days of Derek Hale

Day 22: Stripper

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"You know, Derek,” Isaac scoffed as he trailed behind his alpha in the dimly-lit club, “when I agreed to come to your bachelor party, I didn’t think that we’d be stalking Stiles during his bachelor party.”

Derek just grunted in response, using his werewolf eyes to scan the crowd. His snarl was set deep on his face as he looked for his fiancé, ready to tear some guy who gets too close to him to shreds. In the back of his mind, Derek was already berating Scott for dragging Stiles to a strip club. Granted Stiles and Derek hadn’t explicitly vetoed strippers at their respective bachelor parties, Derek wasn’t good at quashing down his jealous side.

Hence, he’d bribed Isaac with the promise of whiskey and cigars in the guise of a bachelor party, when in reality they were spying on Stiles.

“He’s right over there,” Isaac sighed, gesturing towards a private booth.

Derek narrowed his eyes in that direction, seeing Stiles sitting with Lydia and enjoying copious amounts of alcohol. Stiles had ordered a bright pink one that had an array of colorful fruits on top of the glass, and he eagerly sipped it down as he chatted away with his friends. Even though it was clear that this club was meant to have some dancers, given the pole on top of the table, Derek was slightly relieved when he saw that his fiancé wasn’t anywhere near the strippers.

“Oh,” Derek muttered, feeling a little foolish.

“See?” Isaac said, clapping his alpha on the back. “All that worrying for nothing. Shoot, if you were really that concerned, then why don’t you just be his stripper?” Shaking his head, Isaac stalked over to the table where Stiles’s bachelor party was at, happily snatching a drink off of the table.

Derek rolled his eyes and turned around, getting ready to leave the club.

The music on the speakers changed to an upbeat tempo dance song. The beats were so loud that they took over Derek’s senses, and he struggled to hear anything outside of the wordless song that a bunch of sweaty dancers gyrated to.

He didn’t notice it at first, but Derek soon became altered to the fact that he was slowly starting to shift his hips from side to side. The movement began to pick up speed until the werewolf was gyrating in the club, just like the other dancers.

The alpha’s heart started to race in his chest as he realized that he couldn’t stop. No matter how much he tried to tell himself to stop dancing, Derek was quickly learning that he wasn’t in control of his own body.

Derek’s hips kept swishing back and forth, and the alpha’s trepidation grew when his muscled arms started to undo the buttons on his shirt. Derek popped them off, one by one, until he tossed the useless fabric to the ground. The werewolf was shocked as he threw his hands behind his head, crunching his abs to make them pop as he couldn’t stop showing off on the middle of the dance floor. 

A few of the other patrons looked Derek’s way and even began to cheer him on.

Derek was beyond humiliated and wanted nothing more than to run off and hide from the prying eyes, but the more eyes that were on him, the worse his uncontrollable behavior grew.

Despite roaring with fury on the inside, Derek pursed his lips as he reached up with both of his hands, thumbing his nipples for the crowd. Derek was virtually begging himself to stop, but those pleas were quickly erased when he felt his cock start to harden from showing off. His hands dropped to his pants and before he could try to stop himself, the werewolf tore the denim away.

Clad in only his tight boxer briefs, the frantic Derek could only smile as he gyrated his hips, causing his hard cock to bob noticeably back and forth.

The crowd erupted into a chorus of cheers as Derek was egged on.

Derek straightened up and held his head up high, his stiff legs carrying himself off the dance floor and over towards the table where Stiles sat at. Despite the cocky smirk on Derek’s handsome face, his eyes were wide and panicked, and he hoped that his fiancé would figure out a way to help him.

“I heard someone’s about to get married,” Derek said in his deep voice, crossing his thick arms over his beefy chest.

Stiles looked up from his drink, his eyes going wide at the side of the nearly naked Derek. Coughing on his cocktail, all he could do was nod.

Lydia was the only one who seemed to have her wits about her. “Derek?” she snorted. “Why are you crashing—”

Derek stepped in front of her to approach Stiles directly, smiling widely despite his freaked out eyes betraying his cocky expression.

“Well,” Derek heard himself say, “I hope your future husband can take care of all your needs.” He felt himself turn around and flex his meaty bubblebutt. He playfully bent over, wiggling his perky butt for his fiancé, feeling cool air pass over his cheeks more than it should have. Derek looked down at his crotch, inwardly wincing at how his boxer briefs had somehow morphed into a tight, black thong. The pouch was filled to bursting with his massive cock, and suddenly, he could feel the small strap of fabric slipping between his huge cheeks, allowing his bubblebutt to be on full display. To add to it, cuffs appeared on his wrists while a collar and bowtie magically popped around his neck. Derek cringed at his new, slutty outfit, but his body only fed into it.

Derek turned back around and flexed his large biceps in front of Stiles’s awed face, briefly leaning down to lick his massive mounds. His pecs bounced up and down, and Derek grabbed the back of Stiles’s head, pulling it forward so that his face was shoved into the crevice of Derek’s impressive pectorals. Despite being extremely embarrassed by his actions, Derek couldn’t deny that he was also turned off by showing off for his fiancé.

Erica drunkenly tossed a few dollars at Derek’s feet, and Derek felt himself up the ante.

His thumbs hooked into the thin straps of his thong and he quickly tugged the skimpy fabric down, allowing his hard seven inches to bob out in the open air for everyone to see.

Derek was screaming on the inside, but all he could do was helplessly smile and wrap his fingers around his thick cock. He moaned loudly as he began to jerk himself off in front of Stiles, a growing crowd forming behind him to watch the show. When he thought that things couldn’t get any worse, Derek dropped to his knees and eagerly buried his face in Stiles’s covered crotch.

Stiles immediately grew hard, and despite having about a billion questions regarding way Derek was acting the way he was, he couldn’t help but give in. He unzipped his pants and allowed his slutty fiancé to fish his cock out.

Derek felt himself lean in and take all of Stiles’s cock into his mouth hungrily. He couldn’t prevent his loud moans from thundering out from himself as he sucked off his fiancé. Derek wasn’t used to being the one giving a blowjob, but he was somehow able to deep throat the entirety of Stiles’s cock, even pausing a bit to lap at his slit. Worse was that he couldn’t stop himself from flexing his muscles and wiggling his huge muscle butt, the squishy globes jiggling wildly behind him for the crowd to gawk at.

No matter how humiliated Derek felt, he couldn’t ignore how great it felt to suck off his fiancé— plus, it was even more amazing for having others to cheer for him. 

Stiles tensed up and came, shooting his hot load straight down Derek’s throat. The werewolf greedily guzzled it down, moaning loudly as he did so.

Derek felt all of the large muscles in his body flex and bulge as he came, shuddering as he unleashed his load all over the floor of the club. He moaned loudly as he came, made all the more worse but he fact that the whole crowd cheered him on as he came. As he panted in his post-orgasm, Derek finally felt his blush take over his face, being back in control of his body again.

“Damn, Der,” Stiles breathed as he tried to catch his breath, “you’re the best stripper I’ve ever seen.”

Despite himself, Derek felt himself grow hard again and he couldn’t help but smirk upwards at his future husband. “Well, lucky for you I have lots of moves I can try out on you,” he said, surprised that he meant it.

31 Days of Derek Hale

Day 28: Inflation

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[Photo Source: https://www.deviantart.com/super-blimp/art/Man-of-Helium-910308194]

This was posted with permission from Super-Blimp [ https://www.deviantart.com/super-blimp ]. Thank you very much! And please go check out their work!

— — —

“Stiles!? Stiles, where the hell are you?” Derek roared out as he scanned the large crowd for his boyfriend. 

The werewolf sighed as he pinched the bridge of his nose in irritation. Stiles had won some online comic book contest, giving him a trip for two to Metropolis for the Annual Superman Parade. At first, Derek hadn’t wanted to spend his weekend at some overcrowded city where a bunch of nerds would be talking nonstop about comics; however, when he’d seen the glee in Stiles’s eyes, Derek had immediately melted and had agreed to go.

At his boyfriend’s behest, Derek wore a tight Superman t-shirt that he’d bought at Wal-Mart on the clearance rack. Just right before the parade was due to start, Stiles had gotten distracted and ran off towards a pretzel stand, disappearing into the crowd.

For the past twenty minutes, Derek was shoving his way through the crowd, looking for his boyfriend. “Stiles!” he yelled out again. “Damn it, I swear I’m gonna put a bell on that guy…”

In his hast to find Stiles, Derek angrily stomped past a bald man dressed in a suit that seemed to be too nice for just attending a parade. The man looked over at the frantic werewolf, a smirk formed on his face.

“Looking for someone?” he asked Derek, putting on a nice tone. “Missing child?”

Derek froze, but then huffed in agitation. “Missing boyfriend,” he corrected begrudgingly. “He went off the pretzel stand and got lost in the crowd. He’s wearing a superhero costume…” His voice trailed off when he realized that his description wouldn’t help due to hundreds of other people on the street dressed up as comic book characters.

The bald man just nodded his head. “Yeah, it’d be rather difficult to locate a singular nerd out of a thousand,” he hummed. “I know a way you can spot him easier, though.”

Normally, Derek would prefer to work solo, yet he wasn’t too keen on having his boyfriend lost in an unfamiliar city. Hence, he nodded. “Sure,” he grunted. “That’d be great. Thank you.”

The bald man’s smile grew. “Follow me, please,” he said, turning around and leading Derek through the crowd. The two of them walked into a nearby, unmarked building and headed directly towards the elevator which had to be operated with a key that the bald man had.

The elevator led all the way to the rooftop of the building. Initially, Derek thought that this was a great idea since he would be able to look down over the side and scan the crowd for Stiles. However, when he stepped out of the elevator, he spotted an odd looking machine that resembled an oversized shop vacuum, complete with a large hose. Blinking lights decorated the front, and they flickered with a neon green aura to them.

“Um,” Derek mumbled, shrugging it away, “thanks again for your help, Mister, um…”

“Luthor,” the bald man introduced himself. “Dr. Lex Luthor.”

For a brief moment, Derek could’ve sworn that he’d heard that name from somewhere before, like from one of the movies that he and Stiles had watched together (or more apt, a movie that Stiles watched while Derek felt him up). The alpha shook his head, figuring that it must’ve just been a common name as he started to walk over towards the edge of the rooftop, his lupine eyes searching for his hyperactive boyfriend.

In the background, he could pick up the sounds of Dr. Luthor moving around and messing with something. He ignored it though, perking up once he saw a familiar figure hovering by one of the numerous shop stands.

“Stiles!” Derek called out. “Stay there and— mmpphh!”

Derek’s voice was cut off when Lex Luthor shoved the large hose into his mouth, a clicking sound ringing out as a strap in the back locked it in place. Derek immediately shoved the older man away from him, grabbing onto the hose with both hands and trying to pull it off his face. It was secured tightly in place, refusing to budge an inch. He could still breathe just fine, but his heart began to race in his chest as he wondered what the hell was going on.

“Grrr!” Derek growled, his words still obstructed, as he threateningly leaned towards Lex.

The bald guy just smirked. “Don’t try to fight it, Mr. Hale,” he said as he coyly walked back over to the large machine that the other end of the hose was attached to.

Derek cocked his eyebrow, wondering how this random stranger knew his name.

Dr. Luthor just snickered as he began to punch a few of the green buttons. “You honestly think your little boyfriend won that contest to come to Metropolis based on his talent alone?” he balked. “I mean, the guy submitted a handmade comic entitled Wolfman, and he not-so-subtly designed the hero after you.”

Derek’s broad shoulders fell, knowing that that did sound like something Stiles would do. Still, wanting to defend his boyfriend’s honor, Derek growled again and kept trying to tear the hose away from his mouth.

“So I had to rig the contest to make sure that the two of you would come to Metropolis so that I could test out my latest experiment on you!” Dr. Luthor explained, his voice quaking with excitement as his fingers furiously kept pressing the flickering buttons, a whirring beginning to sound out from the machine. “After all, if it works on an alpha werewolf, then it’s sure to work on Superman!”

Derek rolled his eyes at the insane-sounding bald man. Superman wasn’t real, he told himself; therefore, he was being attacked by some crazed comic book fan. Of course this would happen to him…

The whirring from the machine grew in intensity, growing louder and faster. It turned into a loud hum, mimicking the sound of a generator. 

“Hold on, Derek,” Dr. Luthor laughed. “You might feel a little… pressure.” He flipped a switch.

Derek winced as he felt a gust of air blow through the tube, coming out of the machine and going directly into his mouth, making his cheeks puff up from the action.

“Hmm?” Derek couldn’t help but ask in surprise. A number of different scenarios had ran through his head regarding what the machine would do, but just blowing air wasn’t one of them.

Dr. Luthor’s eyes began to light up with zeal. “It’s a success!” he practically cheered, going so far as to ball up his fists with joy. “Look!”

Derek scrunched up his brow in confusion before paling once a tingle rippled across his body, and a horrifying sensation began to creep up.

Steadily, Derek could feel his Superman shirt start become tighter as the air continued to blow into his mouth. In a panic, Derek looked down at himself, his eyes nearing bulging out of his skull as he saw a lump at his midsection where rigid abs should’ve been. The humming from the machine picked up, and Derek’s stomach pushed outwards, growing larger and much more rounder.

Derek frantically pressed his hands against his growing gut, as if he could stop its growth. However, not only did he feel it continue to get bigger, the werewolf was startled by the squeaky noises of rubber balloons sounding out. Worse was that the more he moved, the more the squeaky sounds rang out, as if Derek’s skin were now rubber, expanding as he grew larger and larger.

The growth wasn’t solely focused on his belly, Derek was horrified to discover. His pecs began to inflate too, rounding out as they ballooned out in front of him. With two audible boinks, his nipples poked out, pressing tightly against his straining t-shirt. His pant’s button ricocheted off as his butt began to bubble out, growing large and bulbous as it blew up with air from the mysterious machine.

Derek tried with much more gusto to tear the hose away from his face, but then his arms began to inflate. So much air was pumped into them that they grew inflexible, and Derek couldn’t maintain his grip on the hose. His arms were forced to hang out at his sides, akimbo. He furrowed his brow intently as he tried to move them, but all he could do was barely wiggly his hands as his entire body grew.

All of the muscles in Derek’s enlarged body looked overly inflated and out of proportion. They were ridiculously huge and round, making movement near impossible. Derek’s arms were stuck at his sides, and his thighs had grown so wide that they constantly pressed against one another, forcing him to stand with a wide stance. The whole time he struggled to move, the squeaking noises of balloons echoed out from his expanding form.

The growth even traveled south to Derek’s cock, pumping it up to incredible proportions. It lengthened out to almost a foot long, and thickened up to the girth of his normal-sized forearms. The amount of air in it forced it to stand straight out in front of the growing Derek, his balls blowing up to the size of softballs.

Dr. Luthor glanced at his expensive-looking watch before turning a dial on the machine. “As much as watching you turn into a helpless blimp, Derek,” he teased, “I’m on a really tight time crunch. Let’s hurry this up, shall we?”

The machine roared with power as it forced more air down the powerless werewolf’s throat.

Derek felt his muscular physique begin to falter as his body started to round out even more, taking on a more spherical appearance. His traps and pecs inflated to such enormous proportions that they ballooned up and swallowed Derek’s neck, making his head look hilariously tiny atop a round body. His torso inflated so much that it began to gradually grow over his limbs. His arms and legs seemingly sucked into his bulbous midsection, leaving the werewolf’s hands to flap around uselessly as he still futilely tried to tear the hose away from him. His stubby legs threw him off balance, and Derek felt himself fall onto his back. He was so full of air that he actually hovered in the air, floating weightlessly as he ballooned up. He could barely move, he was so big. And even if he could roll around, he was too light to even touch the ground, leaving the alpha one-hundred percent at the mercy of the mad scientist.

“Aaand, that should be good!” Dr. Luthor said as he shut off the machine.

The air stopped, and for a brief second, Derek was relieved that he wasn’t growing anymore. However, that relief was short-lived when he looked downward, his view of his body blocked by his hyperbolically inflated pecs that were so huge and round. Based on the large shadow he created, Derek estimated that he had to have grown to the size of one of the parade floats he’d seen on TV. His Superman t-shirt miraculously remained intact, making Derek look like an overinflated Superman.

Dr. Luthor walked forward and quickly tied ropes around Derek’s hands and feet, holding onto them so that the werewolf wouldn’t float away. He yanked one the ropes, causing Derek’s balloon-like body to jerk downwards enough so that the hose could be unlocked and removed from his face.

“Well, Mr. Hale, what do you think of your new body?” Dr. Luthor mocked, a sinister smirk on his cocky face. “If I may toot my horn, I’d say that I just created the biggest Superman parade float that Metropolis has ever seen!”

“You son of a bitch! You better turn me back!” Derek roared, blushing when he heard the squeaky sound of his voice. The air that had been pumped into him must’ve had large amounts of helium, making Derek sound like a chipmunk, made all the more ridiculous with his giant body.

“‘Turn you back’?” Dr. Luthor asked, looking genuinely confused before shrugging. “I’m not sure there is any going back, Mr. Hale. I mean, after all, you’ve stretched out way beyond any normal proportions so I really don’t think you’ll just bounce back, per se. Perhaps we could look into bulking you up so you can at least stay grounded with your new girth.”

Derek was stunned at what he heard. He was so caught up in the horrible news that he was potentially looking at a future as a giant blimp, that he’d barely noticed when Dr. Luthor tossed the long ropes down the edge of the building towards where some of his cronies were waiting. His crew grabbed the ropes and hurriedly walked into the parade, continuing down the street at the same pace as the rest of the performers.

“W-wait!” Derek cried, humiliated at the thought of his inflated form being paraded throughout the bustling city for all to see.

His enormous body was pulled out into the parade among the other floats, of which his size was in par with. Immediately, the werewolf’s sharp ears could pick up the gasps from the crowd as they looked up at his balloon-like body.

“Whoa!” a man shouted as he pointed upward .”Check out that over-inflated Superman! His belly is massive!”

“That’s a bit too big for Superman. That has to be some kinda fetish work, right?”

“Look at the size of that bubble butt!”

“He looks huge!”

The crowd erupted into thunderous laughter, many people pointing at Derek’s inflated body and making comments about the obscene size of his pecs, belly, or ass.

Derek’s face was cherry red as he blushed at the comments about his inflated body. It was hard to turn his head with almost no neck, but he could see his huge form in the reflection of the glass lining a skyscraper. 

Derek groaned at how large and round he looked. His gut was so spherical and enormous that it was definitely the center of his growth. Not to be outdone, his ass cheeks had blown up as well, protruding out into the air as he floated through the city, all of the parade-goers gawking at his round form. His head looked hilariously tiny as it sat in the middle of his torso, almost sinking into his inflated pecs which were capped with nubby, protruding nipples. The Superman icon on his t-shirt had stretched out over his larger chest, making him feel like some warped superhero as he helplessly floated through the city.

Derek tried desperately to grab onto the ropes to pull himself back down to the ground, but he was so rotund that all he could do was helpless wriggle his fingers and kick his feet. Dr. Luthor’s crew kept laughing wildly as they carried Derek throughout Metropolis, going so far as to even bring attention to his inflated form.

“Hey! Check out the massive new Superman float we got. A bit overfilled, isn’t it?” one of them giggled.

Derek’s face was crimson now as he was shown off.

“Derek?! What happened to you?!” he heard Stiles cry out among the crowd.

The werewolf slightly perked up and tried to look around for his boyfriend, but his pecs were so large that he couldn’t see anything past them. “Some freak turned me into a damn balloon!” he squeaked, wincing again at his silly voice.

Derek could hear Stiles’s feet hurry over towards him. The sounds of grunting echoed as a scuffle broke out, and Derek could feel himself being carried away from the parade at a little faster pace.

“I gotcha Der!” he heard Stiles say. “You’re actually surprisingly light…”

Derek couldn’t see thank to his inflated form, but Stiles had managed to snatch the ropes away from Lex Luthor’s cronies. He ran down the other block, carrying his parade float boyfriend away from the crowd so that they could figure out a way to fix him.

For a second, Derek breathed out a sigh of relief before something off in the distance caught his eye. “H-hey,” he squeaked, “something’s coming this way. A plane?”

Stiles looked up into the air, gasping loudly. “Holy shit, Der!” he exclaimed excitedly. “It’s Superman!”

“Of course it is…”

Sure enough, the flying object approached at lightening speed, stopping midair right in front of Derek’s inflated form. Despite how impossible it sounded (and crazier things had happened that day, clearly), Superman floated right in front of the werewolf. He looked just as he did on TV, yet Stiles swore that Superman and Derek shared a few facial features.

“Whoa there, Big Guy,” Superman whistled as he looked over Derek’s parade float body, “it’s looks like Lex Luthor used you as a guinea pig for one of his diabolical experiments.”

A twinge of anger sparked inside of Derek, knowing that it should’ve been Superman who’d been turned into a freakshow, not him. “Yeah…” was all that he could say in his helium-esque voice.

“Superman!” Stiles gushed down below on the ground. “I’m your biggest fan! I’ve read all of your comics and seen all of your movies! I have so many questions to ask you if you have any time at all!”

Superman just smiled warmly down at the talkative human. “Sure thing, Citizen,” he said in his deep voice that oozed manliness, and Derek couldn’t help but feel a little jealous. “But first, I think we should figure out what to do with your friend here.”

“Boyfriend,” Derek squeaked.

“Can you turn him back, Superman?” Stiles asked, his knuckles turning white from onto the ropes tightly.

Superman rubbed at his square, chiseled jaw in thought before crossing his big, but manageable, arms over his chest. “I think I have a better idea,” he admitted. “Something that could benefit everyone involved.”

Derek gulped loudly.

[Two Weeks Later]

“Everything’s all set!” Superman, disguised as Clark Kent, announced, beaming ear to ear.

“Are you ready, Der?” Stiles asked.

“Um, I guess so,” Derek stammered, his voice still sounding like helium.

“Well, the Halloween Parade’s starting, so let’s go!” Clark said as he pulled on the ropes and began walking among the crowd. 

Again, Derek was paraded throughout Metropolis, being the largest parade float on the block. This time, in preparation for the Halloween Parade, Superman had painted him head-to-toe orange, making him look like a massive pumpkin. Derek still blushed as all eyes were on his inflated form, but the inflated werewolf forced a nervous smile onto his face as he tried his best to wave an inflexible arm.

Superman’s great idea, since he had no idea how to turn Derek back to normal, was to just use the werewolf as Metropolis’s biggest parade float, opting to dressing him up to fit whatever parade it was supposed to be. For the Thanksgiving Parade next month, Superman had plans to dress up the inflated Derek as a large turkey.

Of course, it wasn’t Derek’s first choice. However, he couldn’t deny that a part of him liked to see Stiles happy attending parades on the regular, so he tried his best to swallow down his horror over his new life as an overinflated parade float, and tried his best to give in.

Derek smiled and waved to the crowd as best as he could, still blushing slightly as onlookers commented on how massive he looked.

31 Days of Derek Hale

Day 29: Butt Growth

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Derek collapsed back onto the bed, next to a sweaty Stiles. The both of them panted from their latest romp, Stiles waiting for the sensation in his legs to return after Derek totally drilled into him.

Th alpha werewolf’s libido seemed to be in overdrive, given the proximity of the full moon. Stiles was overjoyed about this fact, eagerly bending over to help his boyfriend release some of his sexual tension. That being said, after being the one to bottom over and over, Stiles was interested in a little change of pace.

“Hey, Der?” he panted, struggling to catch his breath.

“Hmm?” Derek hummed, already feeling himself grow hard at the scent of musk and pure sex permeating their bedroom. He gradually scooted closer to his boyfriend on the mattress, wrapping his large arms around his slender form, rutting his hardening cock against his perky butt.

“Wanna switch positions?” Stiles asked.

Derek paused his rutting and cocked his eyebrow at his boyfriend. “Huh?”

Stiles sat up and shifted himself closer to Derek. “Like, how about I be the top this time?” he suggested, trying to seductively wriggle his brow at the werewolf who only scoffed in response.

“Babe,” Derek snorted, “I’m the alpha, so I’m the top. There’s no way I’m gonna bottom… ever.” Sure Derek loved Stiles and he was well aware that he was in a homosexual relationship (clearly), but he couldn’t help but feel like bottoming was something that only the “girl” in the man x man relationship did. Being an alpha and being the tough guy that he was, Derek wouldn’t be caught dead being the bottom.

Stiles frowned. “A simple ‘No’ would’ve been fine…” he muttered before perking up. “Well, maybe you just need some convincing.” He snapped his fingers, grinning knowingly.

Before Derek could ask what was up, the alpha felt an odd tightness centering at his glutes. It felt as if he’d just finished a rigorous leg day at the gym, feeling his backside burn and ache as if he’d just completed some serious squats.

Derek’s lower back felt as if it were being lifted upwards off the bed, and the werewolf flipped over onto his stomach and looked over his broad shoulder, gasping loudly.

The toned butt that was perfectly proportional with the rest of Derek’s impressive muscles was magically bubbling out from his back. His butt grew in size, pushing out and rounding to form a fuckable bubblebutt that was too large for his body.

“Wh-what’s happening?!” Derek panicked, pressing both of his hands on his growing ass, paling as they felt small compared to his massive cheeks. He could feel his hands being pushed further away as his butt continued to grow in waves, thrusting itself away from his lower back, jiggling wildly with every movement.

Stiles couldn’t hide how turned on he was by watching Derek’s butt grow bigger. “Don’t worry, Der,” he said, loving how out of proportion his boyfriend’s butt looked, “if I did the spell right, it’ll wear off in a few hours.”

“Hours?” Derek repeated, flinching when the tightness finally subsided.

Bolting off the bed, the first thing Derek noticed was that his thighs had packed on a little more meat to account for the extra weight at his bottom. When he took an awkward step forward, Derek blushed as he felt his inflated cheeks bouncing and rolling over each other. He got to the floor length mirror in the bedroom, wincing as he looked at his warped reflection. The rest of his body remained unchanged, making Derek’s enlarged bubblebutt all the more ridiculous. It had to be at least three times its normal size, and it created a near perfect shelf as it jutted out from his lower back. Derek gave his hips a tentative shake, his heart racing as he watched his cheeks ripple and shake from the slightest movement. His butt was so large and out of place that his waist seemed to pinch inwards before ballooning out into his new bubble.

Derek looked away from the mirror for a split second to shoot a pleading look over at Stiles— Stiles was rock hard, and the second Derek’s eyes landed on his cock, he felt something inside of him flip.

Used to feeling a surge of lust and then having his cock rocket to life, Derek still felt himself get hard, but there was also an intense desire that he felt deep within his inflated butt. He didn’t know exactly what it was, but Derek felt desperately empty, and he couldn’t help but clench his enlarged cheeks with want.

His meaty pecs rising and falling as he breathed heavily, Derek couldn’t help but run towards the bed, ignoring the bouncing weight at his back. He threw himself onto the bed and perched up on all fours, shoving his inflated ass towards Stiles.

“Pl-please?” Derek begged, wiggling his hips teasingly and making his butt jiggle.

Stiles couldn’t help but smirk. “‘Please’ what?” he asked, crossing his arms over his chest.

The need was overwhelming, like there was deep, intense itch inside of him that needed satisfying. Derek gritted his teeth and pushed his giant butt closer to Stiles, grabbing his cheeks and pulling them apart to flash his tight hole. “Please fuck me!” he begged.

Stiles crawled forward and grabbed a hold of Derek’s waist, right at the crest of his overblown mounds. As he worked himself inside of Derek, he loved the way Derek tensed up.

“Oooohhhh fuuuuck,” Derek moaned as he pressed his forehead against the hard mattress as he was stuffed full. Automatically, Derek started to buck and roll his hips in tune to Stiles’s thrusts. 

As Derek was heatedly fucked, he couldn’t help but marvel at how intense the pleasure that surged throughout his altered body was. His cheeks bounced and rippled, adding to his orgasmic bliss. He could still see himself in the bedroom mirror, noting that he looked ridiculous with his large muscles and even larger ass, getting fucked silly by his much smaller boyfriend. His jaw was slack as he moaned like a slut, and his useless, untouched cock bobbed between his thighs, drooling precum.

Despite his previous disdain with bottoming, Derek felt himself craving the sensation of being filled with his boyfriend’s cock. His enormous ass wasn’t something to be embarrassed by, but it was a gateway to the ultimate pleasure.

By the time Stiles tensed up and came, filling Derek up with his load, Derek had already came about twice. He unconsciously flexed his cheeks as his boyfriend came, desperately milking him to get more of that sensation of being full.

“Holy fuck,” Derek panted, his chest slick with sweat. “We have to do that again!”

[2 Weeks Later]

True to Stiles’s word, the spell had worn off after a few hours, and Derek’s butt had deflated back to its normal size. Still, the werewolf loved to top his human boyfriend, and would mount him on the daily. However, there were now times when Derek would playfully walk up to his boyfriend and press his toned butt against him.

“I think it could use some more size, what do you think?” he’d coyly ask, biting down on his lower lip in anticipation as Stiles would snap his fingers, and Derek would feel his pants grow tighter…

31 Days of Derek Hale

Day 18: Cockgrowth

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Derek was an alpha werewolf, and with that, he was seen as the epitome of lupine masculinity. He towered over the other male werewolves in his pack and his muscles were always larger, more so due to his alpha genetics. He couldn’t help but also be turned on by the incredible size difference between himself and his boyfriend, Stiles. Derek was almost two feet taller and almost twice as wide muscular-wise. Derek Hale was an alpha through and through, with one tiny exception.

Derek’s cock was only four and a half inches.

Being below the national average for humans, Derek was humiliated over his subpar size. Over time, he’d fallen into the trope of being the big, mighty alpha who would pick on the smaller guy as a means of compensation for his size. And he’d counted himself extremely lucky that his boyfriend, Stiles, had been a virgin when they’d started dating, and therefore wasn’t really aware of the fact that his boyfriend’s dick was only about one inch away from being considered “micro”.

“Babe, do you think I’m small?” Derek frowned one night, looking down at his tiny dick that barely tented out his boxers.

Stiles, oblivious to his boyfriend’s inner turmoil, simply shrugged. “Don’t worry, Derek,” he’d smiled. “You’re the perfect size for me.”

“That’s not what I asked…”

One night, Derek had seen a mysterious Internet ad that promised “Significant Penile Growth” through some expensive pills. Desperate, Derek had immediately grabbed his credit card and ordered the pills. Once they arrived to his house, Derek wasted no time in ripping the package open and swallowing down a few of the tiny, blue capsules.

After swallowing the pill, it didn’t take long for Derek’s tiny cock to go rigid. The pert little thumb was rock hard, feeling as if Derek was harder than ever. His cock throbbed like crazy, and the werewolf barely registered any thought before his hand traveled south to wrap itself around his small cock and begin jerking off.

Derek couldn’t help but moan loudly as he toyed with his hard cock, his brain going numb from the pleasure that ripped throughout his muscled body.

Suddenly, Derek felt his fingers steadily start to be pushed apart.

“Huh?” he wondered aloud as he looked down at his cock, his eyes widening at what he saw.

As his cock throbbed, right at the pinnacle of hardness, Derek’s cock grew in both length and girth. As Derek jerked off, his cock would throb and jut further away from his body, gradually growing thicker by the second, causing his grip to loosen.

“Holy shit!” Derek cried with glee as his cock grew. “It’s growing!”

The alpha beamed as he witnessed his little cock go from four and a half inches to five, then six, seven, and eight. It thickened up from thin to the girth akin to a soda can, looking large and powerful— just as an alpha’s should.

But then it kept growing.

“Uh, th-that’s enough,” Derek muttered as his cock grew past the nine inch mark, his head almost purple from how hard he was. Precum started to drool out of it like a leaky faucet, and its sensitivity seemed to grow in intensity as did its girth.

Not to be outdone, the alpha’s balls grew in size as well, lowering and thickening to the size of ripe lemons. The thick size of his quads forced Derek’s newly enlarged package to be thrusted forward, his enlarged cock starting to look more like a third arm.

Derek could no longer keep his fingers touching each other, his girthy new cock becoming too large. He had to use his other hand to grip at it, his horniness overwhelming his panic as he jerked off his enlarged cock with both hands. It continued to grow to enormous proportions, finally passing the thirteen inch mark when—

“Uunnghh!” Derek squealed as he came, his muscles tensing up. His huge balls spewed out a large amount of cum, spraying all over the bedroom. It was significantly more than he’d ever came before, cum splattering everywhere at his feet and creating a mess.

It was such an intense orgasm that Derek was left panting, struggling to catch his breath. His meaty pecs heaving, Derek had to press his hand against the wall to steady himself. Finally softening, his mighty cock dangled past his knees, ridiculously long and thick, much past any reasonable proportions.

“What am I supposed to do with a dick this big?” Derek panicked, his eyes wide as he stared down at the massive anaconda that was his cock. Having spent so many years on the other side of the spectrum with a tiny cock, Derek was starting to feel apprehensive about having a cock that was too big… if that was even a thing.

His heart raced in his chest as Derek tried to think of ways he could even get dressed with a cock as big as his was now. There was no way he could manage to fit it into his pants, and even if he could, his huge cock and balls would press against whatever fabric dared to conceal it; its outline would be noticeable to anyone he passed by on the street without a doubt. Images of himself walking around in public with his swinging monster cock flickered into his mind, making him blush with humiliation. At least with his tiny cock, no one could see the outline of his dick through his pants. Now he doubted that any of his pants would even fit him in the first place!

Derek’s shaky hand gave his newly enlarged cock a tentative poke, and his knees buckled at the tidal wave of pleasure that rippled through him at that mere touch. “Oohh,” Derek moaned loudly as his cock rocketed to its full thirteen inches again, looking as thick as his muscular forearm. His head seemed as large as an apple, and it flushed as his cock throbbed with want all over again.

As Derek worried about his new girth, he didn’t hear Stiles walk upstairs and enter the bedroom.

“Hey, Der, can I borrow your chapstick— holy shit!” he gasped in utter shock when he saw the sheer size of his boyfriend’s cock. He wouldn’t admit it aloud, but the first thing that he thought was that there was no way he’d be able to fit that thing inside of him.

“Oh, uh,” Derek blushed, his enormous cock throbbing in front of him. When he turned to the side, it was so large that it knocked over some of the objects on the nightstand, causing them to clatter loudly to the floor. “I just took a pill that said that it’d make me bigger, but I think it worked a little too well.” Despite his panic, Derek’s hard cock twitched as he looked over at his boyfriend, the thirteen inch monster aching with intense want.

“I, uh, I see that,” Stiles mumbled, unable to look away.

Derek scratched at the back of his head nervously. “Do you think you could help me out with this?” he asked, gesturing down at his massive cock. “It’s a bit unwieldy.”

“I don’t think that’ll fit,” Stiles admitted, “but I could try to jerk it off for you?”

Derek took what he could get, and hurried over towards Stiles, his giant cock bobbing wildly in front of him with every step. 

Stiles reached over and grabbed Derek’s large cock with both hands, loving how Derek’s head rolled back as he moaned with pleasure. Thanks to its exaggerated size, Stiles couldn’t wrap his hands around it all the way, so he was left to gripping it as best as he could, having to jerk it off with both of his hands. The head was much too large for Stiles to suck on, but he still leaned forward and playfully ran his tongue over the head, pausing to flick his tongue over the sensitive slit.

The whole time, Derek was rendered a lustful mess. He couldn’t prevent his loud moans from echoing throughout the bedroom, his large cock being extremely sensitive. His eyes rolled to the back of his head, and all of his thoughts turned to mush as he was pleasured. His boyfriend’s hands on his dick was brining much more pleasure than any sex that they’d ever had before, and already Derek was thinking of how his sex life would be different. Given his cock’s new massive size, he knew that he’d be rendered to being jerked off or rutting against Stiles from now on, or even bottoming every now and then.

Derek tensed up as he came, blowing the largest load of his life, leaving him spent and panting. The force of his orgasm left Derek leaning against the wall as he tried to catch his breath. “Damn,” he breathed, “that’s new.” The alpha werewolf’s large cock dangled soft past his knees once more, and as his head started to clear, all he could think about was how much more of an alpha he must’ve looked like given his enormous cock that easily out-sized any other alpha’s.

31 Days of Derek Hale

Day 09: Merge

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“You’re the worst alpha I’ve ever had!” Peter yelled, throwing his hands up in the air dramatically.

Derek snarled in response, baring his massive werewolf fangs. “I wouldn’t have to be so hard on you if you weren’t so damn stupid!” he countered.

The two werewolves continued to argue and yell at each other, their bellowing voices echoing throughout the house and making peace nearly impossible. 

Meanwhile, Stiles rubbed at his temples in irritation as he tried to read some articles for his college classes, irked that he couldn’t get any studying done with the werewolves’ dick measuring contest going on in the background. Worse was that ever since Peter miraculously came back from the dead, he and Derek seemed to be at each other’s throats constantly.

“You’re the most selfish member of the pack!” Derek growled, puffing out his chest as he tried to threaten the older werewolf. “I should’ve kicked your ass out a long time ago!”

Peter, being the drama queen that he was, rolled his eyes exaggeratedly. “Oh please, Pup,” he spat. “You have no clue what the hell you’re doing. Shit, your little pack would fall apart if it wasn’t for my help.”

The two men kept yelling at each other, ruining any semblance of tranquility as they puffed out their chests in what could be described as a “Bro Off”. Both of them would bark and yell, yet neither one of them dared to throw the first punch.

Finally, Stiles slammed his book shut, over their childish behavior. “Will both of you shut the fuck up?!” he cried.

Derek and Peter both froze to stare at him in bewilderment.

“He started it,” Derek muttered, gesturing at Peter heatedly.

“I don’t care who started it!” Stiles exclaimed. “We’re all in the same pack, so if the two of you could figure out a way to be closer, that’d be perfect!”

As soon as the words left Stiles’s full lips, an electric quality appeared in the air, making the hairs on the werewolves’ arms stand at attention. Before anyone could ask what was going on, Derek and Peter felt themselves moving towards one another, their limbs acting on their own accord.

Against their will, Derek and Peter both raised their arms and seemingly embraced one another in a hug, the two of them wearing worried expressions on their handsome faces as they desperately tried to regain control of their bodies. Even Stiles was shocked, his jaw hanging low as he watched the two werewolves hug one another.

Then something else happened.

Derek was the taller one, and it seemed as if Peter’s smaller (yet still muscled) body melted into Derek’s larger one. As the werewolves merged together, their muscles appeared to combine, becoming larger and much more defined. Their arms combined, becoming larger with much bigger biceps than before. Pecs protruded out in front of their bodies, capped by large, nubby nipples that were twice the size of their respective ones. Even their clothes seemed to merge together, taking Peter’s blue button down and Derek’s white tank, morphing them into a blue and white muscle tank top that served to show off their large muscles.

Derek and Peter were stunned silent as their heads positioned themselves upon broadened shoulders, sitting side by side.

When the changes finally ceased, standing where the two werewolves previously argued with one another, was a two-headed muscle beast. Derek and Peter stared in shock and horror as they used the buff arm that they could control to feel around their shared body, blushing when they could feel the exact same sensations.

“Wh-what happened to us?!” Derek panicked, taking an awkward step forward as if he could pull himself away from his shared body. All that served to do was make his new body stumble, Peter in control of the other leg.

Even Stiles was stunned silent, unable to wrap his head around what was happening. Moments before, Derek and Peter had been arguing, and then they were sharing a body that was twice the size of their normal ones.

Peter felt around his shared body in disbelief, bristling when he noted the obscene size of his enlarged muscles. “H-how did this happen?!” he gasped, unable to wrap his head around the fact that he and his nephew shared an over-muscled body.

Stiles shook his head in disbelief. “All I meant for you two to be closer, not this!” he hurriedly cried. 

The two-headed werewolf struggled to stalk forward, each one of them using the leg that they controlled.

“You better figure out a way to fix this!” Derek growled. “How the fuck can I be expected to perform my alpha duties with this dumbass attached to me? And how can I be expected to be with my boyfriend when I’m sharing a body…” He trailed off when his thoughts were clouded over with Peter’s.

Derek turned his head to glare at Peter’s, who attempted to look away, but given their unwanted proximity, the attempt was moot.

“Really?”  Derek growled, anger bubbling up in his gut.

Peter blushed, but tried his hardest to look unbothered. “He’s kinda cute,” he muttered under his breath, referencing his secret crush on Stiles, which Derek could pick up on thanks to their shared body.

Both of the werewolves flinched when they felt a throbbing in their pants. They each used the arm they controlled to yank down their pants, revealing the twin cocks that they possessed. Both of the impressive members stood at perfect attention, directed straight towards the shocked human.

Derek and Peter sniffed at the air, surprised at the heat radiating off of Stiles.

“Really?” they both asked in unison, shocked at the fact that Stiles seemed to be turned on. 

Stiles shrugged cheekily. “Well, I love Derek, but I also think that Peter is hot, in a weird sorta way,” he admitted, blushing.

Derek and Peter sighed, their shared shoulders rising and falling with the action.

Derek used his arm to scratch at the back of his head. “Well,” he mumbled, “I guess we could try to make this work…”

Peter looked downward at the two cocks that were attached to his and Derek’s shared body. “I hope that Stiles can take two at a time,” he said.

Stiles eagerly nodded. “I can look up some stretches!” he rushed, already looking forward to getting fucked by his new two-headed boyfriend.

31 Days of Derek Hale

Day 24: Cow

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Derek grimaced as he swallowed down the odd tasting protein shake. “That tastes weird,” he spat. “What’s in it?”

Theo shrugged his shoulders. “It’s a new recipe I’m trying out,” he answered, smirking slightly.

The werewolf and the chimera had been trying to work more closely together, for the sake of the two packs in Beacon Hills. As a result, Derek and Theo would try to be more cordial with one another. One such activity that the two pack leaders actually didn’t hate to do together was work out at the gym. There was a sort of playful rivalry that the two engaged in, always trying to out lift the other as they worked out, trying to get more gains.

Being an alpha werewolf, Derek easily out lifted Theo and his muscles were way larger by comparison. The chimera, on the other hand, tended to stick with a more toned physique, not allowing any of his jealousy to show on his smiling face.

Which was why he was all smiles as he offered Derek a drink of his own secret concoction. The mischievous chimera had fought hard to hide his triumphant grin as he’d watched Derek take a hesitant sip of the “protein shake”.

Derek still wiped at his mouth with disgust at the horrible shake that Theo had offered him. “Yeah, I think I’m gonna stick to my usual,” he huffed. “Thanks though.”

Again, Theo shrugged. “Suit yourself,” he happily hummed.

The two men went to starting their workouts, Theo keeping a careful eye on Derek.

Derek, oblivious to the chimera’s staring, went to the chest fly machine, racking up a ton of weight before performing reps. As he worked out, he noticed an odd tingling sensation in his pecs that wasn’t like the normal burn that he’d expected. Instead, this one felt almost electrifying and oddly… good. Really good.

Derek blushed slightly as his chest tingled, his nipples feeling as if they were hardwired directly to his cock. His cock started to stiffen up in his shorts, and as he continued to perform reps, Derek had to hold back a moan.

“Mmmm,” Derek moaned as he tried his best to keep his lips pursed. His blush deepened when he looked over and caught Theo staring.

The alpha werewolf quickly diverted his gaze and tried his best to continue his workout.

Derek was trying so hard to ignore the odd sensations emanating from his pecs that he hadn’t even registered the growing tightness of his shirt until he heard a loud rip echo throughout the nearly empty gym.

He let go of the weights, letting them bang loudly back to the machine. Cocking his eyebrow, Derek looked down at himself, gasping loudly at the large pecs attached to his chest.

“M-my pecs!” Derek stuttered out of shock. “They’re huge!”

Staring downward, Derek’s previously proportional pectorals had been wildly inflated. They jutted out dangerously from his chest, looking round and bulbous. It looked like someone had sliced a soccer ball in two, glueing both halves onto the werewolf’s hairy chest, looking incredibly out of place on his muscular body. Worse for Derek was that his nipples had even enlarged, growing thicker and protruding off of his massive chest like nubby fingers.

Derek blushed when he squirmed in his seat on the machine, feeling how much his chest bounced and jiggled. Oddly, his pecs felt so heavy and cumbersome, and when he moved, he felt an odd sensation of something sloshing deep inside of them.

Theo snickered as he looked the top-heavy alpha up and down. “I’d say so,” he teased. “Those are some serious udders you’ve got there, Derek.”

Derek shoved himself away from the pec fly machine and hurried towards the privacy of the locker room. As he moved, he noticed the arched back stance that he had to take in order to accommodate for his inflated pecs. This caused the enlarged mounds to be thrusted outwards and more into the open, being impossible to conceal. They bounced and jiggled with every step the frantic alpha took, that sloshing sensation growing in fervor.

When he reached the locker room and stared into the mirror, Derek paled at his warped reflection. His pecs and nipples were huge, easily out-shadowing the rest of his impressive musculature, every other body group looking like an afterthought. His jaw dropped, resting upon the cresting pecs that were pushed upwards and out.

Theo, a devilish smirk still plastered on his face, sauntered into the locker room. He crossed his toned arms over his proportional chest as he studied Derek. “They don’t look that bad, Derek,” he snickered. “Maybe we can get you a bra?”

The color gradually returned to Derek’s face as he turned red, slowly putting the pieces together. “You did this to me?” he accused, gesturing down at his massive chest.

“Duh,” Theo scoffed. “I grew tired of always being the small one, so I did some research and found that a really good growth formula contains alpha milk. Hence, all I needed to do was get you to produce some.”

“‘Alpha milk’?” Derek repeated, looking down hesitantly at his large pecs, frowning when he couldn’t anything past their bulbous size.

Theo walked over and didn’t give the alpha any warning before he reached around and grabbed Derek’s meaty pecs.

“Oohhh!” Derek couldn’t help but moan as his muscletits were fondled. Despite his panic and frustration over having his chest altered, he couldn’t ignore the surge of pleasure that rippled through him. In addition to increasing in size, his pectorals also drastically increased in sensitivity. Every touch from the other man’s hands lit up pleasure receptors that Derek had never had before. His knees buckled and his head rolled back as he was felt up. No amount of sex or playing with his cock could ever compare to the brilliant sensations on his chest, and deep down, Derek felt himself craving more.

Theo began to thumb Derek’s nubby nipples, and the werewolf felt as if he’d explode at any second. His heavy pecs lurched and he felt that sloshing inside of them grow even more; and Derek swore that his pectorals began to feel slightly larger.

Derek tensed up, shooting his load. However, instead of cumming, his nubby nipples squirted out a white substance. The pressure in his muscletits subsided the slightest bit, but Derek felt something else bubbling deep within him. He tried to swallow it down, but the alpha werewolf couldn’t help himself.

As his nipples leaked, Derek bellowed out a deep, “Moooo!”

He was so caught up in the feeling of pleasure that left tingles all over his skin, especially his burning nipples, that Derek didn’t even have time to feel humiliated over that fact that he’d mooed like a cow.

Meanwhile, Theo strategically placed his bottle under the alpha’s leaky nipples, collecting the milk that had seeped out. Placing the cap on it, he grinned widely.

“We’ll have to do this more often, Derek,” he happily said. “There’s a lot of guys out there who’d give a fortune for some alpha milk so that their muscles can grow bigger. And just think, it’s all thanks to you and these udders of yours.”

Derek wanted to be angry, to lash out at the chimera for turning his pecs into large muscletits. However, Theo reached out and teasingly flicked a protruding nipple, causing a lustful haze to cloud over Derek’s mind.

“Mooo!” Derek bellowed again, his giant pecs jiggling with want.