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Obedience Powers

tags: transformation, male, gay, dog, human, bros, german shepherd, golden retriever, multiple orgasms, threesome, friends to lovers, straight to gay, prank, accident, role reversal, dominance, submission, feral dom, sub, pet play

by donedonedone

“Surprise!"

“Ack!" Spencer dropped his controller as something wrapped around his neck. Whatever it was tightened with a click. He whirled to see his friend Isaac standing behind him, looking smug.

“Dude, you totally got him!" Spencer's other friend Butch exclaimed, setting down his own controller. He offered Isaac a low-five, which was accepted.

“'Got me' with what? What is this?" Spencer asked, tugging on the mysterious strap around his throat. The tightness made him instinctively worried he'd choke. What had his friends done this time?

“Don't worry about it, man," Butch said dismissively. He turned to Isaac. “What kind is it?"

“German Shepherd. I always thought they were the coolest dog. Super trainable, too."

“Niceee. And did you get the obedience modifier?"

“Yep. 'Obedience Powers' is what it was called."

“Sweet."

“Uh, guys?!" Spencer's skin itched all over and his mouth felt funny. Was he sick?

“What is it, boy?" Butch smirked. “Something wrong? How do you like your collar?"

Spencer watched in horror as thick black and brown hairs poked out of the skin on his forearms. He scraped at them, but all he accomplished was brushing his soft new fur.

“AHH!" Spencer shouted. “What the fuck?!? Guys wha—mph?!" His tongue turned unwieldy in his mouth, like it was swelling up. Was it an allergic reaction?

Shockingly to Spencer, neither of his friends shared even an ounce of concern for him.

“Chill. It's just a prank, dude," Isaac explained. “Butch and I found a place that sells these special collars that turn people into stuff. We wanted to see one in action, and we know how much you love dogs, so… yeah. Plus, this one has a mod that should make you more obedient when it's done."

“Seriously, relax," Butch chimed in, noticing how pale Spencer had turned at hearing he was becoming an obedient dog. “It's totally reversible. I'm sure this part's scary, but it's supposed to be quick. You'll be a German Shepherd soon and then we can talk."

“…Or we can talk and you can bark, anyway," Isaac added with a laugh.

Spencer tried to protest, but the restructuring of his mouth interrupted him. He yelped as his hands cracked and reshaped, his fingers receding into nubs on his shrinking palm and growing sharp black claws. As soon as his hands lost their last ounce of dexterity something in his shoulders popped, twisting his arms so they were oriented forward.

Spencer gasped, unintentionally allowing his new long, flat canine tongue to spill out. He felt it slobber his chin. Meanwhile his torso slimmed down, forcing him to breathe irregularly while his lungs became those of a dog. His ribs popped as his chest grew more cylindrical beneath his shirt.

In the midst of his panic Spencer felt a prickling, cloying warmth descend over his body, and it wasn't just his fur coming in. The sensation would have been a comfort if it didn't eventually settle between his legs.

While his pants slid off his butt due to his diminished waist, the front of his shorts actually tightened, bulging out in a way he prayed his friends didn't notice. Was that supposed to happen?? He felt like he had a boner to end all boners.

Aside from his crotch, Spencer's clothes felt dangerously loose. If he moved the wrong way he'd slip out and be just a naked dog with a hard-on…

“Dang, he really does look like a Shep," Isaac said. “He looks kinda weird in clothes, honestly."

Spencer's canine ears perked, his dread mounting. His shorts were seriously tented and neither of his friends noticed yet…

Butch shrugged. “Yeah, let's take them off for him. We'll need to get him—I mean—we'll need to get our dog used to going all natural at some point."

Isaac and Butch got up and stood over Spencer's cowering mostly-canine form. Spencer squirmed in his increasingly ill-fitting shorts and t-shirt, frightened that his friends appeared a little larger than usual. He must've shrunk!

Unfortunately, whatever was happening between Spencer's legs made it hard for him to think. The warmth didn't feel bad, just impossible to ignore. It took every ounce of self control he had to stay still and not find something to hump. A thick furry tail snaked its way out the back of his pants, unnoticed.

Spencer's friends pinned him down belly-up. Face and crotch burning, Spencer tried to shout human words. What came out of his muzzle was a deep animal bark.

“Relax, man!" Butch said, grabbing Spencer's front paws and holding them down. “You look like a dog. No one's gonna care if you're naked. We're not going to judge."

Isaac chuckled. “I dunno, I might judge," he said, managing to pull off the struggling dog's shirt. “Seriously, you look so much like a Shep it's crazy. Just enjoy it, man." Spencer kicked half-heartedly as Isaac grabbed his loose shorts and yanked down.

Spencer closed his eyes and looked away as he felt his dick bob into the open air, right in front of his friends. The former human whined, aware he was completely naked except for the collar. He was just a dog! He kept his eyes shut tight and tried not to enjoy being free of his restrictive shorts.

Isaac and Butch both paused for several long moments. The silence surprised Spencer, but he kept his eyes shut tight. Why weren't his friends saying anything? Was it that bad?

“…Holy shit," Isaac eventually mumbled. “Looks like you're really enjoying this, huh…"

“Dude, what the fuck?" Butch said. “That's really fucking big for a dog, right? Did you put some sort of gay-ass modifier shit on the collar?"

“What?!" Isaac balked. “Of course not! Why would I?" He sounded offended, and more than a little insecure. “I got the mod with 'Obedience' in it, like you said! Why is your first assumption that I wanted this? Can't Spencer be naturally hung?"

Spencer knew for a fact that he was definitely not naturally hung, at least as a human. Still pinned belly-up on the couch, he opened his eyes and tilted his canine head down to his chest.

Spencer's first good look at his completed German Shepherd body included his huge red canine prick at full mast. It looked more than twice as big as his old dick! He could feel the weight of it tugging at his crotch.

His whole lower-body looked identical to that of a dog's, all the way to his spread canine thighs and his slender hind footpaws. The only thing about him that looked slightly unusual—unusual for a dog, anyway—was the size of what laid between those thighs. Two huge well-defined bulges rested in his expanded and newly fur-covered ballsack. Those balls would have looked big on a human, so on a dog they were intimidatingly large.

Meanwhile, right in the middle of Spencer's view his cock throbbed again, forcing another whine past his black canine lips. His dick was big enough to extend up past his ribcage, and close enough to his mouth that he thought he could lick it without much effort. …He had to resist doing that, though.

It was difficult for Spencer's mind to process having that much sensitive flesh at his disposal. On the one hand he'd always secretly wanted a bigger dick as a human—as all guys did!—but he'd definitely never wanted it to look like a dog's. That bestial dick throbbing over his belly was huge, red, pointed, and uncomfortably his.

And his friends were looking right at it. Spencer squirmed and brought his hind legs together in a completely ineffective effort to hide his giant red rocket. He shut his eyes tight and folded down his ears. The last thing he wanted was to hear his friends comment about his dick. It would be unbearable.

And yet… as Spencer kept his eyes closed, his friends stayed quiet. The silence was almost worse than if they'd just made their jokes and moved on. Yeah, they'd all seen how big he was now, but couldn't they all just pretend like it didn't happen? He didn't need his friends to tease him about having a bigger dick as a dog than as a human. What did that even mean?

Finally, after an interminable wait with Spencer's twitching cock on full display, Butch broke the silence.

“…Isaac, are you drooling?" he asked.

Isaac flinched, reeling back. “What?! No, I-I mean— I'm not!" Isaac's voice carried embarrassment on par with what Spencer wished he could express. “I just didn't expect him to be so huge is all!" He wiped his mouth. “What about you? You're the one who told me to take off his pants! You've been staring at Spencer's junk this whole time, too!"

“I… I just want to… help him out," Butch said hesitantly. He seemed surprised about the words coming out of his mouth, like he wasn't expecting them. “He looks like… like he needs help, doesn't he? Look how much he needs it… And he's been a good boy…"

Spencer opened his eyes and stared up at his human friends in abject canine confusion.

Isaac blinked. “Butch… what? But… but he's a dude… A-And a dog…"

“I… I know." Butch shook his head. “Something feels weird. What was the name of that obedience mod you used?"

“'Obedience Powers'."

“And that… that makes him obedient to us, right?"

“I…" Isaac trailed off, his eyes caught by another throb of Spencer's red canine member. “Fuck me, you can't expect me to think right now, man! We've… We've gotta do something for Spencer. Look at him…"

Spencer the German Shepherd tried very hard not to be looked at, but unfortunately Butch had his forepaws pinned, sitting by his head. He unintentionally pulsed his massive, unhidable cock again while his friends watched, entranced.

“Dude…" Butch mumbled, face flushed. “This is so fucked up. We s-should stop."

Isaac watched Spencer's canine pre dribble. “I… But… What do we do?" he asked. “I can't stop thinking about… helping Spencer out. Only a little help, though, just so he's not so needy…"

Butch shivered. His pants were tight around his own rock-hard erection and he needed Isaac not to notice. “Fuck it, man," he said, “If you're thinking about it so much just do it already! I'll hold him."

Uh oh… Spencer thought. He looked to Isaac, intensely aware that his huge new dick was was easily within reach of his human friend. He considered barking to try and snap Isaac out of the weird trance he was in. Barking probably would've worked, too, given how responsive Spencer's friends had suddenly become to his needs.

But something held the German Shepherd back. He couldn't stop thinking: what if he didn't stop his friends from acting crazy? His balls ached. Maybe he really did need help getting off. Even if he got some alone time Spencer doubted he could get himself to cum without hands. Telling them not to touch was almost scarier than letting it happen…

Isaac's trembling hand wrapped itself around Spencer's shaft, annihilating the German Shepherd's desire to give his friends their sanity back. Isaac's hand felt too good! Spencer huffed out of his black dog nose as his friend's human palm slid down his taught canine cock flesh. Spencer was amazed and bewildered that his friend was willing to do that for him, but he didn't have the mental capacity to question it. He'd worry about it after he finally came.

For his part, Isaac felt incredibly conflicted as he tended to his friend's shaft. He couldn't shake the feeling that he'd made some kind of mistake with the collar, and that he should've been doing something to fix it, but his mind wouldn't let him think about it. Responding to the German Shepherd's needs was all that mattered.

Spencer's dick was the largest Isaac had ever seen in person, human or animal, and as he stroked it he couldn't help mentally comparing it to his own. He'd always felt quite adequate in the size department, but now that he'd seen Spencer's monster he was going to have a hard time maintaining that confidence. His shorts tented in plain view and a wet spot formed at his tip, but he found it hard to care about that when Spencer's more important cock was in need.

As Butch looked on, it was now his turn to drool. “Dude, use two hands," he chided Isaac. He didn't really want to watch a dog getting stroked off, even if the dog was his formerly human friend, but if he did have to watch then Isaac was being way too slow and timid about it. Spencer was so hung, and he deserved to have that whole cock satisfied. As much as Butch didn't want to admit it, he was regretting letting Isaac take the lead. He couldn't shake the feeling that he would've done a better job pleasuring that undeniably dominant dog cock if he were in Isaac's place.

And so all three friends reveled in the pleasures of Spencer's canine dick. Spencer sank back, the German Shepherd closing his eyes and letting his tongue loll out the side of his muzzle without a care in the world. Meanwhile, his friends bickered about how best to satisfy him. Isaac seemed to favor a slow and steady approach while Butch wanted him to go harder and faster. Either was fine with Spencer, who was just happy to be the possessor of that nice fat cock that his friends inexplicably wanted to play with. It almost made up for their prank, which was starting to feel a lot more like a gift than a prank.

No matter how good it felt, Spencer couldn't hold back forever. The sensations coming from his new equipment were just too perfect. At Butch's instruction Isaac tugged behind the bulge at the base of Spencer's dick in just the right way, sending the former human over the edge. His mind dissolved into animal instinct as he humped into his friend's hands, trying to convince his heavy balls to unload until finally, they did.

Thick white canine cum shot out from Spencer's member, flying over his head and splattering Butch's shirt with jizz. The scent of his own cum was strong on his nose, and now he was covering his friends with it. A strange drive to mark the humans as his overtook him. He let loose his balls' seemingly endless supply of seed, covering his friends in cum.

“Dude—hnngh…" Isaac moaned weakly, still clutching Spencer's cock and milking it for all it was worth. Another scent reached the dog's sensitive nose. It originated from Isaac's shorts and it smelled a lot like Spencer's own excitement, only a little more human. Isaac moaned again, his grip tightening. Through his haze the brown-furred dog wondered, Did Isaac just…—

“Isaac, did you seriously just cum?" Butch asked, astounded.

“Nnn—fffuck…" Isaac grunted, going cross-eyed. He did his best to ignore the growing wetness in his pants and focused on squeezing Spencer's still-firing doghood. Jerking Spencer off to conclusion had unexpectedly fulfilled a deep-seated need Isaac never knew he had. The simple knowledge that he'd contributed to emptying Spencer's canine balls was somehow more satisfying than fucking all the girls he'd ever been with put together. He needed to… obey his friend Spencer. Obey the dog whose cock he had the honor of holding. Pleasing Spencer was his true purpose as a man, and his body rewarded him for completing that purpose in the only way it knew how. His unimportant cum pulsed through the fabric of his shorts and dribbled down to the outline of his balls.

Butch watched incredulously as both of his friends experienced their respective highs. He wanted to be disgusted about the dog cum splattering his shirt, or his other friend's shamelessness at nutting his pants, but… something decided that he had to feel painfully turned on instead.

It had to be that stupid collar! It was impossible to fight it, though. His own restrained erection pulsed with jealousy not for Spencer, whose importance and dominance he could not hope to contest, but for Isaac and his pitiful hands-free orgasm. Butch would've loved to cum without even touching himself. Was Spencer's dick really that good…?

“Hey… Isaac?" he asked as his friends' excitement ebbed.

“…Yeah?" Isaac huffed, dreamily massaging Spencer's lingering erection.

“You… you did get a spare collar, didn't you? One without the mod, right?"

Isaac heaved a satisfied sigh. “Yeah, it's in my bag. I was originally going to make Spencer a Golden, but Sheps are so much cooler." He paused. “Why?"

“Don't worry about it," Butch said, not wanting to distract his friend from his important work stroking Spencer. “I'll be right back." Butch got up, took Isaac's bag, and left the room. Spencer and Isaac were both too blissed out to care.

Despite having just cum buckets, Spencer felt surprisingly alert. Isaac's continued stroking felt good and it kept him hard. Somehow, his balls still felt full. The former human started to fear that he'd need to cum again before he'd be truly satisfied, but Isaac looked spent and not exactly up for a round two. Spencer wanted to like his canine equipment, but it did require a lot of maintenance!

Spencer's thoughts broke off when the skittering of claws sounded from the other room. His ears swiveled. The German Shepherd turned to see a Golden Retriever trot unevenly into the room on four legs. It looked over at him, its head bowed slightly.

Canine instincts activated, Spencer shook off his sleepy-looking human and hopped down from the couch. He stood up on all fours for the first time, thankful that his dick was big enough to display his dominance, but not so big that it scraped the floor. His doghood bobbed beneath him as he made his way over to the newcomer. Isaac looked on, too tired and satisfied to even say anything.

The sniff of the Retriever told Spencer a surprising amount of information. The golden-haired dog was his friend Butch, wearing the second collar! Even having heard about the collar moments ago, it was hard for Spencer to connect “Butch" with the ordinary- (and also strangely handsome-) looking dog in front of him. Did Spencer look just as much like a real Shepherd as Butch looked like a Retriever? If so, no one would be able to recognize him.

There was more to the other dog's scent than just his human identity, though. Spencer could smell his own cum lingering on Butch. His tail wagged. That scent marked Butch as his to any other dogs who cared to give him a sniff. The thought of other dogs recognizing Butch as his made his cock pulse back to diamond hardness beneath him. Butch was so proud as a human, but as a dog he seemed content to be marked. What could've driven him to accept being Spencer's subordinate so easily?

And what were those other scents? Before Spencer even realized what he was doing he was behind Butch, sniffing at his canine nether regions. Butch stiffened but didn't pull away as his privates were investigated by his superior. Butch found it strange thinking of Spencer a dog as his superior.

The hung German Shepherd noticed with no small amount of satisfaction that Butch's equipment was nothing special for a dog, just a normal-sized, golden-haired sheath and balls somewhat obscured by his long belly fur. Spencer also saw that the more he sniffed, the more Butch's little red shaft poked its way out. It made Spencer want to laugh

Butch's eagerness was palpable in his scent, but that alone wasn't what attracted Spencer's attention. Spencer wasn't sure how he would describe it to a human, but best he could say, it was like Butch's scent was crying out to be covered up by a more dominant dog. Spencer could smell Butch's desire—no, need—to be thoroughly claimed by someone better. Someone like Spencer…

That smell drove Spencer wild. Did Butch know that he smelled like that, or what it made Spencer want to do? A whiff of Butch's tailhole brought with it the scent of lube. Maybe he did know…

Hardly believing what he was doing, Spencer mounted his unexpectedly submissive friend. He needed this too, maybe not as urgently as Butch, but still urgent.

Beneath his dominant friend, Butch couldn't believe what he was doing. He both hated the idea of being fucked by a dog and loved the idea of using his body to cater to Spencer's needs. When Spencer's cock prodded his virgin tailhole Butch instinctively tried to pull away, but Spencer was having none of it. The German Shepherd clamped down on the back of the Retriever's neck, holding Butch in place. Too late to back out, Butch had all the time in the world to regret the decisions that brought him to that moment. Meanwhile, Spencer angled his huge, undeserved cock towards Butch's tailhole. Butch looked up pleadingly at Isaac—who had fallen asleep!—just before he felt Spencer thrust in.

Butch yelped as he was split open. The former human's mind ground to a halt as his friend took complete control over him. Spencer's cock invaded his guts, violating any sense of privacy Butch had left. He was just his friend's dog toy, his fleshlight…

Spencer panted happily as his needy canine shaft found a tight, warm home inside his willing friend. It was even better than Isaac's handjob, better than anything Spencer had ever felt before. The Retriever was meant to serve his cock, he was sure of it.

Spencer mercilessly pounded his fellow dog's tailhole. He felt a little bad using his friend as his cocksleeve, but he couldn't help himself. It just felt natural to think that Butch existed to obey him. They were still friends, of course, but when push came to shove Spencer couldn't imagine himself anywhere but on top, forcefully serving his shaft to Butch in powerful thrusts.

Butch could hardly breathe he had so much of Spencer inside of him. Until that day he'd never once thought about what it'd be like to belong to his friend, but now he unfortunately knew: it was incredible. Although it was uncomfortable, his body felt almost designed to take a more dominant dog's cock. He really should have paid closer attention to the intended uses for those collars. What if his whole purpose really was just to make Spencer cum?

Suddenly Spencer's cock hit something inside Butch that made the Retriever howl. Butch's half-exposed dick pulsed, spurting out the measly few teaspoons of dog cum that comprised his release. Butch still whited out from pleasure, his mind utterly subsumed by thoughts of Spencer's huge dog cock sliding through his depths. The Retriever wanted nothing more than to obey the owner of that cock until his dying day. Nothing could possibly be better.

Spencer mentally chuckled to himself as Butch's hole spasmed. The smell of his submissive's seed reached his nose. Having already cum not long ago, Spencer's mind still felt mostly clear. He nibbled at Butch's ear affectionately and kept humping. For Butch's sake he hoped the Retriever had more seed where that came from. It would take a nice, long breeding session for the German Shepherd to cum, and his friend would have to bear it somehow.

——

By the time Spencer entered the home stretch Butch's mind was mush. Serving his dominant friend felt like one long, continuous orgasm. All the Retriever could do was whine as Spencer thrusted harshly into his back entrance, finally popping the bulge at the base of his cock into Butch's tailhole. The Shepherd had been trying to force that bulge in for minutes.

Experiencing all of Spencer inside of him was too much for Butch to bear. He tried to cum again, but of course all of his cum had already been forced out long ago by Spencer's cock. He'd been shooting blanks for what felt like forever. Instead of a typical release Butch's whole body tingled from tail to nose, waiting for the only dog whose needs actually mattered to finally claim him.

Spencer howled with satisfaction. Being a dog was awesome! Human decency utterly forgotten, he gave his friend the breeding of a lifetime. Butch clenching around his knot, holding his cock inside, was what finally pushed him over the edge. His second serving of hot white dog cum of the day surged up his monster shaft and pulsed deep into his friend's belly.

Although Butch wouldn't let him pull out Spencer's instincts told him to keep humping, slapping his weighty ballsack against his conquest's backside. He emptied everything he had left into Butch's eager hole, asserting his dominance in the most undeniable way possible. Butch gave up everything to the better dog. For the first time since the collar was wrapped around his neck, Spencer felt satisfied.

Butch was barely conscious as he and Spencer waited out their tie. As soon as the two former humans could physically separate he collapsed on a rug nearby, tailhole leaking. His mind swirled with happy, obedient thoughts. He was out like a light even before Spencer curled up next to him.

Thanks for reading. As usual, I appreciate favs and comments if you liked this one.