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Josh and Mira learn the consequences for being so cocksure about the legitimacy of ‘transformative’ poppers.

Don’t read unless you’re okay with CTF, multiple feral aussie TFs, human on feral, TGTF, masturbation, impregnation, and permanence. Commission for redrevolver76.

*****

The sun was already setting when the front door finally opened. Sandy leapt out of her dog bed to greet the young man who entered, and he gave the Australian shepherd a scratch behind the ear.

“Is that you, Josh?” came a voice from the kitchen.

“Who else?” was his reply. He walked in on Mira chopping an onion.

She turned to him. “You’re home a little late, don’t you think?” Then she noticed the paper bag in his hand. “What’s that?”

“The reason I was late,” Josh replied, setting the bag on the counter.

“What is–”

“–It’s a surprise,” he interrupted, smiling, “for after dinner.” He walked over to her and gave her shoulders a massage.

“I didn’t want to spend my night off in the kitchen,” Mira complained.

Josh held her body tenderly. A little over average height, he was still five inches taller. “I don’t want you worrying about work tonight.”

“With all the mandatory overtime this month, it’s hard not to think about the clinic right now.”

“You stress yourself out too much,” Josh chided. Leaning forward, he studied the bags under her eyes. He brushed her shoulder-length brown hair aside and kissed her on the neck.

“What’s gotten into you?” she asked, pulling away.

“Just excited for later.”

Sometimes Mira just felt too tired for this. Now she was growing slightly irritated by how hard he was making it to finish preparing dinner. He continued to rub her back, but she shrugged him off when she felt his growing bulge rub up against her. Through her irritation, she was also secretly embarrassed about the start of her own, more modest erection.

It was just that way with Josh sometimes. He had a way of bringing it out of her, whether she liked it or not. Some days, she felt like he was way out of her league. Where she was busy working late nights in the hospital, he actually had time to go to the gym after work. Not that she was ever very athletic, but his toned physique often made her feel self-conscious about her own, softer build. She liked her curves, especially her ass and budding b-cup breasts, but insecurity and not a little inadequacy crept in anyway. He was the perfect package–he even had a perfect package–and he never got stressed like she did.

Taking a step back, Josh asked her how he could help out, which really meant taking over the cooking while she sat down at the dining room table. Total perfect package move, but she was grateful for the break. She zoned out for a minute, worrying about what tomorrow might bring, and her eyes eventually returned to the bag. Hopefully it was something to help take the stress away.

*****

After dinner, Mira cleared the table as Josh filled Sandy’s dish with dog food and gave her another pet.

“You really love that dog,” she commented.

“Of course I do. She’s such a good girl.” His focus returned to the aussie. “Are you a good girl? Yes you are.” Ruby’s tail wagged and she licked his hand.

While he was busy with the dog, curiosity took over and Mira snatched up the bag. Josh started to protest, but she reminded him that it was ‘after dinner.’ Inside the bag were two small vials.

“Poppers?” she asked, feeling a small jolt of excitement.

“Yes and no,” Josh replied, “not ordinary poppers, anyway.”

“Where did you get them?”

“Just a little place downtown. Blake from work recommended it to me.”

She pulled them out of the bag. One was black, and the other red. “Not ordinary? How so?”

“This may sound silly,” he started, “but they came highly recommended by the shopkeeper. She said it made sex ‘transformative,’ or something.” He paused. “I’ll admit, she was kinda smirking when she said it, but I don’t see why she’d lead me astray, right? Plus, they were really cheap.” He stopped petting the dog and returned to Mira’s side. “So, what do you say?”

Mira inspected the black bottle’s label. “Unleash your inner beast,” she read, smiling. “Kind of a corny slogan, don’t you think?” In big bold letters, the vial was labeled ‘POUND TOWN’, only the ‘P’ was crossed out and covered by a red ‘H.’ She inspected the red vial next: this one was labeled ‘RED ROCKET.’ “Oh, isn’t that cute,” she commented drily. “They’re themed.”

“So…what do you think?” Josh asked, suddenly nervous.

She looked hesitant. “Are you sure about these? I don’t want to take anything dangerous by mistake.”

“I’m telling you, the shop was totally legit. And the shopkeeper, too. Maybe a little eccentric, but…hey, I’ll even let you pick which one you want.”

She thought about it for a moment. “Okay, but only if you take yours first.”

Josh smiled. “Sure thing. So, black or red?”

Mira thought it over, then picked the red one. “I guess ‘Red Rocket’ sounds fun.” That left Josh with the black bottle. He followed her to the bedroom.

“Someone’s getting excited,” he commented. Mira blushed. She knew this was just what she needed to take the edge off.

They left the bedroom door open for Sandy. They had long since learned that it was better for her to enter the room freely than to interrupt them by scratching at the door. At that moment, though, the dog was still preoccupied with her food.

Sitting down on the bed, Josh took off his shirt and began to undo his belt. Noticing Mira was still dressed, he asked, “What’s the matter? You should try to get comfortable.”

“Oh, it’s–”

“–Do you need some help?” he teased.

She grew flustered. “Just give me a sec, okay?” She studied the bottle again.

“I already know what’s under there, y’know.” He smirked. “Hey, wanna give me a hand?” He gestured to his jeans.

She removed her shirt then knelt and unbuttoned his pants. He reached for her bra strap, but she pulled away. “Can that wait until we’re high?” Seeing his expression, she quickly followed it with: “It’ll give you something to look forward to.” She got this way sometimes when she felt stressed about work: found it hard to unwind, especially when she took in Josh’s toned body and compared it to her own. The poppers would take the edge off, she was sure.

As she slid Josh’s pants down, his hardening cock began to throb through his underwear. Eight girthy inches, it was double the size of Mira’s own rod, a fact that was occasionally the butt a dumb joke. She knew that it was all in good fun, but depending on her mood, she couldn’t tell if she liked the deprication or not. Maybe a little of both, if she was honest.

He kept his straining briefs on, keeping in theme with her own attire after she shed her pants. She could tell he was growing a little impatient, yet part of her enjoyed making him wait. Finally, he grabbed his vial and peeled off the plastic seal.

“Here goes nothing,” he said, twisting off the cap. He held the open bottle under his nose and inhaled. Immediately he felt a jolt of pleasure, and he felt his heartbeat speed up. “Woooow,” was all he could get out, then he lay flat on the bed.

Mira saw a building blissful euphoria spread across his face. His nose even began to twitch, and…did it just grow a little longer? No, she was just seeing things. He scratched his body and moaned from his own touch. His cock seemed fit to burst right out of his underwear.

Mira felt her concern slip away as she picked up her own popper and removed the seal. Sitting on the bed beside him, she unscrewed the cap and breathed it in. A similar jolt ran through her body, so strongly that it caused her to drop the vial. It felt like her blood was charging up, yet at the same time she felt her whole body relax. Both of them leaked precum as the sensation continued to build.

Josh continued to scratch his torso, making a noise between a high whine and a pant. Six small bumps began to form down his chest in line with his nipples, and he felt his whole body heat up, itching like crazy. Luckily, his sharpening nails did a much better job than the old ones. As he scratched, he felt as if he was being pulled out of his own body, yet it was really just a tingling wave of hair growth.

Next to him, Mira’s skin also rippled with intense feeling, and she grew flushed as her whole body reddened. Like Josh, she discovered that rubbing herself sent shockwaves through her, causing her to spasm slightly. A small stream of drool collected in her mouth and began to trickle out.

After that initial and very powerful rush, they started to feel slightly more in control of their bodies. Josh rolled onto his side and unfastened Mira’s bra. His warm touch was like a fever spreading down her lower back. She shivered and closed her eyes, enveloped by bliss. The tips of his fingers felt somehow rougher and stubbier than she remembered, but also warm. He began to peck her body with small kisses, which felt wonderful on her skin. After a while, she felt a massive jolt of pleasure run up her side where he was…licking her? Drool continued to pool up in her mouth. She tried unsuccessfully to swallow it back and discovered that it was easier to drain if she contracted her lips into a circular shape.

When she realized it was his lengthy tongue she was feeling, she overcame the intense feeling and held her arms out to push him away. Where her fingers came into contact with his body, she felt something strange. She knew Josh had never been a hairy person and that he liked to shave his body every so often. What she felt on the surface of his skin wasn’t just hair, it was something longer and much thicker. Softer, too; it felt really good to rub her hand up his body. This prompted him to roll over onto his back, panting, so that she could rub his belly.

Things were getting a little too strange. She opened her eyes and stared at him in shock. How did he grow all of this fur? She sat up on the bed and quickly backed away from him, watching him roll back over just in time for a small hairy nub to poke out the top of his briefs.

“Whath the mather?” Josh asked, his lengthening tongue muddling his words. He had begun to slobber and it was as if he didn’t even notice it.

“Look at yourself,” Mira cried, “I think the poppers are changing you!” After distancing herself from him, she found that the drool in her mouth was starting to subside. It wasn’t easy denying the obvious pleasure that coursed through her when he touched her, but sheer adrenaline helped to defog her mind.

Josh bent his head forward to look down on his body. “Whath the…” Lying on his stomach, he tried to pull his arms under him. They felt unusually short, and he watched his fingers and palms develop rough black pads. He tried and failed to straighten them.

“What’s that?” she asked, pointing to the growing nub. It was already four inches long and seemed to twitch of its own accord. Feeling the urge to itch again, he finally saw his fur and wondered how it took him so long to notice it. It came in white on his belly, darkening into a mixture of gray and black as it climbed up his back. Even his arms and legs were growing fur. He whined, finding it hard to rationalize what he was seeing. While Mira’s mind was beginning to defog, his thoughts were growing ever scattered. Had his nose always taken up so much space at the bottom of his vision?

Mira watched in horror as it pushed further out on his face, taking his jaws with it and forming the start of what appeared to be a muzzle.

“Josh? Are you okay?” Suddenly feeling stupid, Mira remembered the strangely canine theme of his vial. Hadn’t he mentioned something about the word ‘transformative?’ She didn’t know how any of this was physically possible unless they were collectively hallucinating it. At that moment, she was grateful she hadn’t chosen the black bottle. What was hers called again? Firecracker? She remembered it sounded exciting. At the same time that she felt terror regarding her transforming boyfriend, she also felt some small semblance of relief. Maybe there really did exist a kind of magic that could turn people into animals, but who ever heard of anyone turning into an inanimate object? Maybe it was the sensations on her skin that were supposed to feel like fireworks.

Back to Josh, who continued to kneel on the bed, slobbering as his tongue stuck out of his stretching canine muzzle. He found himself panting from the increased body heat. He whined again, trying and failing to form intelligible speech.

Mira continued to watch this unfold, and it wasn’t long before she noticed the throbbing and leaking appendage between his legs begin to grow, straining uncomfortably against the pouch of his briefs. He scratched at his waistband, trying to pull it off, then howled in frustration.

“Oh, here. Let me help you,” Mira said, apprehensive to get any closer to him but unsure what else to do. She scooted over and tugged at his underwear. Her fingers felt strangely stiff, but she managed to yank the elastic waistband down over Josh’s still growing cock. Just from the sight of it, red and bulbous with a bestial pointed tip, she began to uncontrollably drool again. Realizing this with repulsion, she quickly backed up again. When she first backed off, her ultrasensitive skin somehow returned to a less pleasurable state, as if encased in a warm blanket; as she backed away again, drooling over herself, the raw electric feeling started to flow downward again, starting with her wet lips. Her head throbbed as blood rushed to her brain.

As with his hands, Josh’s toes started to curl in on themselves, and he felt his heels stretch and rise. The skin around his thighs tugged into his waist, and as his bones popped and shifted, he realized his legs were growing even shorter. When the same thing started with his armpits, he watched his arms start to shorten as well. As his thoughts grew more muddled, his fear shifted to a simplistic sense of relief. After all, it was easier to support his body like this, wasn’t it? The relief melted into euphoric pleasure emanating from his pulsing cock. With every throb, he felt it balloon out underneath him, growing longer and much thicker. The thickest area was at its base, where his new knot formed. The base of his foreskin became hairy as it encased the bottom of his new dick, becoming a gaping sheath. Was he starting to grow…horny?

He was more dog than man at this point. His tail grew out a few more inches, and it was apparent to Mira that he was becoming an aussie like Sandy, though Sandy only possessed a nub of a tail. Speaking of, she heard the clicking of paws down the hall, and suddenly Sandy was at the door. Josh’s head whipped around as Sandy rushed to the bedside and pawed at the duvet, whining. Josh responded with his first real bark, tail wagging.

Mira’s eyes were still locked onto the doggy dick in front of her, and her cock started to drool along with her mouth. Josh was now entirely aussie from the neck down, and his proto-muzzle stretched to its final length as his teeth sharpened and changed shape. His ears shifted upward on his head, and he felt his earlobes stretch until they flopped over, covered by fur. His nose grew rough and wet as his lips darkened to a rubbery black. While his right eye remained brown, his left lightened to a cold blue, signalling the end of his transformation.

“Josh?” Mira whispered apprehensively. The aussie in front of her looked her in the eyes and barked. “Do you understand me?” On uncertain paws, he took a few wobbly steps toward her, and for a second she felt relieved that he kept his mind. As he approached the headboard, however, he suddenly walked right past her. “Josh? Where are you–” She stopped talking as Josh straddled a pillow between his legs and mindlessly humped it, his back legs shaking vigorously. He huffed in determination.

“No! Bad dog!” Mira shouted, then caught herself. “Sorry, I can’t believe I just spoke to you like you were…” Ignoring her, his speed only increased. “Hey!” She grabbed at his legs, and was shocked when he snarled at her. Unsure of what else she could do, but still feeling the adrenaline, she reached out and gently pulled his tail. It succeeded in subduing the male aussie’s thrusts. He scampered off the pillow, whining, and was greeted by two more quick barks from the side of the bed. Realizing what was bound to take place next, Mira scrambled off the bed. As Josh padded over, she grabbed Sandy’s collar and attempted to lead her out of the room. The dog yipped playfully, and Josh hopped down from the bed in response, scratching roughly at Mira’s leg. She cried out in pain, releasing the collar. Suddenly, he shoved his muzzle into Mira’s ass, knocking her forcefully onto her knees. Still fearing for Sandy, she tried to shoo the bitch out of the room. She expected Josh to follow her, but now he seemed to only be interested in Mira.

“Hey!” She swatted at him as she felt that warm muzzle again, his wet nose brushing against her lower back. “What are you–” She tried to pivot her body the moment Josh’s teeth clamped down on the waistband of her panties. Mira’s twisting motion exacerbated the sudden strain on her underwear, and she was mortified to hear a loud RIIIIP! behind her. A moment ago, she was worried for Sandy’s safety, but now she feared for her own. Her backside was entirely exposed as the shreds of clothing fell around her. Josh licked her asshole, sending a massive jolt through her whole body.

“Down! Hey, leave me–” She tried to stand, but Josh’s weight slammed into her back, knocking her onto her knees again. Sandy watched this unfold with her head tilted in curiosity. Josh smelled her wettening cunt in the air, making his dick leak.

It took a second for Mira to catch her breath, then Josh shoved into her again and again. In a flash of panicked rage, she shrieked, “Get off me, you horny mutt!” and tried to push him away. Josh was stronger, however, and she felt his body heat through the fur pressed against her back. Her whole body began to sweat. Then she felt it, something hot and slick at her backdoor. It took a few painful thrusts, each getting a little closer to their target, before she felt the tip of his canine cock poke at the entrance of her asshole. She cried out, but not in pain: the poppers seemed to have relaxed her hole. Josh thrust harder, sending more of his rod into her. Mira’s whole body buckled beneath her, spasming as new heights of pleasure coursed through her body, emanating from Josh’s girthy meat. Her skin felt feverish again, and the sensitivity from earlier returned in full force. In fact, it was even stronger than before. Before she knew what was happening, Sandy was in front of her and licking her face, which sent powerful tingles downward at the same time as she received strong waves upward from Josh. As searing pleasure wracked her body, she felt like she was being torn apart by searing jabs of lightning.

Already semi-collapsed, she felt her limbs slip even further out from under her, and she was helpless to control them. As if her body was made of boiling wax, she felt a concentrated scalding heat start to melt away any feeling she had in her fingers and toes. Josh picked up his pace, and now he was hammering into her asshole with vigor, slobber from his panting tongue dribbling onto Mira’s back. Sandy licked at the moisture, and the moment she felt the dog’s tongue on her back, it was as if her whole body leapt upward. Her torso slammed back onto the ground, sending another shockwave through her. Her head pounded in time with the jackhammer behind her, and the drool returned to her lips with a vengeance. She tried desperately to reach down and rub her own needy cock, but found it impossible to get her arm to obey. It was as if the ecstasy rushing through her was making her brain short circuit as she lost control of her arms and legs, through which the melting feeling continued to seep upward.

An unnatural amount of heat seared in the area where her ass made contact with Josh’s underside. It was blindingly painful, and as her body lashed around, she discovered that it was impossible to pull away. With increased vigor, Josh slammed the tip of his cock into her prostate, causing a feeling so intense she momentarily forgot everything else going on. With a final pop, his knot entered her hole, stretching it tight. With another thrust, Josh exploded inside of her. As scalding jizz filled Mira’s insides, there came a slowing friction between their bodies, and eventually his cock stopped sliding around altogether as spewed his cum. Mira felt her waist start to pull back and forth in time with Josh’s movement, the rest of her chafing against the hardwood. She tried to cry out, but instead regurgitated a large glob of musky drool. Like before, she felt her lips round out as an almost unconscious response to the stream of spit trickling out of her mouth. The sensations distracted her from her hair and teeth falling out, her tongue flattening on the bottom of her mouth.

As it climbed, the melting feeling in Mira’s feet shifted somewhat into a different sort of feeling, like some of her body fat was pooling below her waist as her legs contracted at the same time. But that was presently the least of her worries. More pressing was the feeling like her arms–which she was already powerless to move–were definitely losing mass. Yet she was too overwhelmed by what felt like the fusing of Josh’s tapered dickhead to her prostate region. Skin on skin, slickness to slickness. If it was possible for her prostate to balloon with his jizz, she would say it felt exactly like what was happening to her now.

Her body continued to drag on the floor, ass still suspended beneath the dog. The only stimulation she could give her own dick was in its rubbing against the hardwood, which harmonized with Sandy’s licking and Josh’s final slow thrusts. He howled, and another glob of drool traveled up her throat. Mira waited for her own orgasm which never came, and she was oblivious to the subtle melding of cockflesh beneath her. She still felt the friction, but soon her dick and balls were only a nub, then smooth flesh.

As Josh’s orgasm came to an end, Mira was able to regain a small bit of awareness for her surroundings. Sandy gave her spongier face another lick, causing her body to leap off the ground. When she hit the ground again, yet another wave of drool shot through her body and out her mouth. She tried again to cry out, but the drool got in the way. It was more viscous than her usual spit, and it started to taste different too. She knew she’d tasted something similar in the past, and it wasn’t long before she figured out where. She was in disbelief: it went against all logic, there was no way Josh’s discharge could climb all the way up to her throat. She tried to take stock of her surroundings, but her neck was now stiff and almost impossible to turn. In her periphery, she was surprised to find Josh’s furry legs in line with her head. She still felt him inside of her, so she had no idea how her entire body could be pulled so far back. She tried to pull her arms under her, but nothing happened. She wished she could see what happened to them; unbeknownst to her, what remained of her arms were two shrinking nubs, giving her torso a tube-like appearance as her neck thickened. Her legs still felt strange too. Still akin to two heavy sacs, they sagged heavily even as they became suspended off the ground.

Another lick, another full-bodied leap. This time, as her body twitched and bobbed, she didn’t feel herself slap against the floor again. As she lost the ability to move whatsoever, she watched in horror as her round mouth began to push out of her face, similar to the muzzle she watched grow out of Josh’s face. With a compacting feeling, she was no longer just in line with his front legs: she could now see them in front of her, the distance growing. She realized that her whole body was shrinking. The smaller she got, the larger the globs of pre became, and the more naturally they shot through her body and out of her tapered mouth. Her nostrils closed up as her nose lost its definition, and then the worst thing of all happened: her eyes shut, and no matter what she did she couldn’t open them again. She no longer knew how small her body must now be. There was a feeling like her veins were expanding, insides rearranging, simplifying. Another pulse, and instead of a throat, there was only a urethra. Her dangling legs finished shrinking and fused themselves to Josh’s now largened ballsack, warming as she felt them become covered in fuzz. Her bulbous waist felt a similar warmth surround it, which by now she concluded was her new sheath.

Sandy’s licking paused, and after a moment Mira found herself retracting: not just into warmth, but a tight wet heat. And even though Josh came earlier, she still had yet to, and that repressed urge pulsed within her. She couldn’t see or smell; it was as if her only senses left were taste, touch, and slightly muffled hearing in spite of a lack of ears.

All things considered, she was still enormous for a throbbing doggy dick. Josh’s eight inches had ballooned to easily over a foot of throbbing meat, even girthier than his old penis. Her panic momentarily forgotten as new urges filled her brain, all she wanted now was to cum, but she was helpless as the trickling pre ceased and her body became engulfed in her new sheath. Only her glistening red tip poked out, and the pre she had drooled over her body now contributed to the musky wetness surrounding her. She felt her horniness slowly fizzle out, and a great wave of exhaustion overcame her, causing her to fall into whatever the equivalent of sleep for a cock was.

*****

A while later, Mira felt herself groggily rousing again as her head slid out into the cold air. She had no idea where she was or how long she was asleep. For a moment, she even forgot that she was just an appendage now and no longer human. Terror crept in as her new situation became once again apparent. How long would this last? Was she stuck like this forever?

Her cock body slid out much more quickly now, and it wasn’t long before every stiff inch of her was throbbing again. Blood rushed through her like a high tide, and before she knew it she was drooling again. She feared it would be piss, the function she was least looking forward to. Luckily–if it could be seen as lucky–she only tasted more salty canine pre. Was Josh getting horny again? Earlier, she was concerned about having to wash the cum out of her pillowcase as he humped it; now she hoped and prayed that it actually was a pillow he was about to defile. Unless…he could suck his own dick? Dogs were flexible like that, right? As much as she hated to admit it, that was maybe the preferred outcome.

She was jostled by the dog’s movements then felt her sensitive tip press against something hot and wet. Reflexively she retched another glob of precum, slicking the surrounding area. This could conceivably be a muzzle, right? She tried to discern what kind of lips she was brushing up against. That was only a temporary thought, however, as her hypersensitivity erupted in a wave of pleasure. Her legs–ballsack–bounced as she fell into a forward-backward motion. There was momentary pain as the wet hole eluded her, and then…success.

She slipped into a tunnel not dissimilar to her sheath, except that, rather than retracting into sleep, she never felt more awake. Still possessing her taste, she noted a different flavor around her even through the mouthfuls of pre. Something with a distinct spicy, sour, acidic flavor. It didn’t taste like Josh’s cum, and she abandoned any hope that it was anything but Sandy’s wet pussy she was being stuffed into. Sandy’s tunnel walls strained against Mira’s sheer size, tightening around her, but there was ample lubrication easing her descent. When she was stuffed about two-thirds of the way in, the strain from pushing into such a tight hole evaporated into pleasure as if it was steam dispersing from the surface of a hot spring. She could no longer scream, but if she could, it would be the sound of her very soul exorcised by utter electric bliss.

As it came to a climax, the pleasure only seemed to magnify to impossible heights. In the moment that she felt hot jizz shoot up from her churning balls, she lost all grip on anything else around her. There was only now, only this euphoric high. No Josh, no Sandy, no Mira. She wasn’t a dick, what was a dick? This wasn’t a pussy, it was an endless empty void that somehow closed in all around her. For several seconds, nothing existed at all. Not a single thought passed through her mind, not even the thought that there were no thoughts. It was as if she became entirely detached from herself, from the world around her. All that existed was the purest and most overwhelming pleasure imaginable occupying every part of her body. She didn’t just feel pleasure, she became it. The area surrounding her waist expanded and white-hot jizz shot up her glistening red shaft body, exploding out of her open mouth in wave after wave, pulse after pulse, throb after throb. She never wanted it to end, and for some tiny part of her it never did. It imprinted itself on her mind, occupying her deepest desire. Any thought of returning to her old self was momentarily forgotten.

When Mira finally came down from her monumental high, she found herself once more entombed in a canine cunt, and she remembered the situation with helpless disgust. Right ahead of her, and still trailing from her mouth, was a torrent of viscous cum which she knew just spewed from her mouth slit. Every voice of logic remaining in her head failed to comprehend the situation, all except one nagging voice in the back of her head that prodded her into remembering the sensations she just experienced.

Several minutes went by as Mira remained lodged within Sandy, but eventually she deflated, feeling the tug of the wet tube around her as she slid out. She spent a moment out in the cold air, bobbing awkwardly and dripping fluid, then for the second time she retracted into her fuzzy sheath, which she was starting to view as her new home. It was safe and cozy in here. She let the tender warmth envelop her, welcoming sleep when it arrived.

*****

Sunlight streamed in through gaps in the blinds, shining directly into Josh’s eyes. He groaned, his whole body stiff and sore. Had he…slept on the floor? Naked? His bare skin was freezing. Beside him lay Sandy, who heard his movement and woke up too. He gave her a pet.

“Do you need to go outside?” he asked. Her playful energy was triggered by that last word. Nothing else seemed amiss when he groggily stood and walked her to the back door. His mind drifted elsewhere in an attempt to piece together what must’ve happened last night. He stuck his head into the kitchen and checked the clock: it was almost 6:30 AM. Mira would still be asleep, then. She had a long shift ahead of her that didn’t start until noon. He wondered if maybe she’d remember what happened the night before, but it would be best to wait until after she woke up.

At the moment, he needed to empty his bladder. He let Sandy back inside and she followed him to the bathroom; he closed the door before she could enter. Standing over the bowl, he was absently focused on the painting above the toilet as he reached down to grab his cock. Man, he was getting unusually hairy down there. He definitely needed a shave. Strange, his pubic hair was usually more wiry than this; it was somehow soft and fuzzy. And his dick–

“AAAAH!” he shrieked, looking down at the bestial sheath between his legs. Forgetting his need to piss, he ran straight to the bedroom. “Mira! Mira! What’s…” He trailed off, noticing the empty bed. That was strange, she was never up this early if she could help it. Had they…argued the night before? He desperately hoped this wasn’t the case. He paced the floor in agitation, his heart racing. Should he call her? But how could he explain this without showing it to her? Duh, he could send a picture.

Taking his time to write a semi-sane text, he covered his bases by apologizing for whatever it was, just in case. Snapping a photo, he attached it to the message and sent it…only to hear a chime on the bedside table.

“Shit. Why’d you have to leave your phone?” he muttered. “No, wait. Maybe that’s a good thing.” Mira wasn’t the sort of person to forget her phone, even if she was headed to a motel or relative’s house after a fight. He concluded that she must have just stepped out. Though it was uncharacteristic of her to be up and at it so early, maybe she was out grabbing a coffee or something. It seemed like a bit of a stretch, but it was all he had. He also recalled that back before her schedule got fucked by the hospital admins, she would sometimes slip out for an early morning jog with Sandy…but Sandy wasn’t with her right now.

All he had to do was wait for her to come home. He’d burn a vacation day if he had to. The new package bobbing between his legs definitely qualified as a sick day, right? How was any of this real?

Perhaps it was some weird prosthetic glued to his skin. He was entertaining every possibility, no matter how outlandish. Hesitant and more than a little grossed out, he reached down and pinched the white fuzz, crying out in pain as he discovered that it was, in fact, really his real fur-covered skin. Growing curious now, he tapped it…then prodded at it…then grabbed it, cupping his large canine balls and rubbing the sheath, which felt nice.

His bladder was practically crying out to be relieved, so he ran back to the bathroom. “How does this…” Unfamiliar with sheaths, part of him was mortified his dick had been reduced to the strange stubby mound bobbing above his balls. He pointed it down at the toilet bowl and tried to relax his bladder. As the pressure mounted, he felt a wet sliding sensation as his real member pulled out into the cold air. This was when he got to see his doggy dick for the first time. He had no idea they could get so big; it dwarfed even his old one! His first thought was that Mira would probably love it inside of her, but he quickly caught himself and remembered to be weirded out.

Usually, trying to piss with an erect cock was difficult, so he was surprised that his new dick had to harden and stick out before he was even able to do so. It was hard to relax his bladder at first. He felt foolish trying it, but the piss only came after he stuck his leg up like a dog, which also helped his aim. He sighed as he relieved himself. When the stream finished, he watched in fascination as the rod filled his sheath again, pulling up deep inside of him. He hadn’t noticed it before, but with a dick that massive there was a slight protrusion in his underbelly. At least it didn’t seem like his other organs got in the way. Still, he’d have to get it checked out by a doctor to be sure nothing was messed up.

It was satisfying to feel it slide back in its sheath where it could warm up, although the strange slimy feeling was something to get used to. There were a few droplets of piss on his fur that he awkwardly brushed off before washing his hands. Even with his dick fully retracted, his sheath and ballsack hung so large that he feared for his clothes.

He supposed it could be worse. Then again…

His face turned deathly pale the moment he heard the clicking of paws coming down the hall. Surely he didn’t…he couldn’t…is this what happened to people who did? Is that why Mira left?

Sandy entered the room and immediately sniffed at Josh’s sheath, pressing her wet nose against it as her tail wagged. Immediately his red tip started to poke back out, and Josh pushed the dog’s nose away before it got worse. As Sandy exited the room, he stole a glance at her backside and found, well, what must be dried cum. He thought he might pass out even as his eyes stayed locked onto her cunt. When he looked back down, he was both mortified and perversely fascinated: was a dog making him hard? Things were getting too bizarre.

Josh returned to the bedroom and sat down on the comforter, legs slightly spread to make room for his furry package. He figured that, if anything could do it, fucking their dog would definitely be cause for Mira to leave and forget her phone. But even if she wasn’t coming back, he decided to call in sick and wait for her anyway. In the early afternoon, Mira’s phone received a call from the hospital asking where she was. Josh hastily made something up about her vomiting all night and hung up, more concerned than ever. She wouldn’t miss work, right?

Staring off into space, Jeff’s gaze eventually passed over the vial laying on the ground. He leapt to his feet. He realized he had totally forgotten about the poppers. Maybe something went wrong? Still, how could they–

HOUND TOWN he read. ‘Unleash your inner beast’...was that literal? How come the shopkeeper didn’t warn him? He decided that he needed to pay the strange shop another visit right away. Now that he had a reason to get dressed, he tried to pull his underwear up over his sheath, opting finally to keep his balls in the pouch and tuck some of his sheath through the hole in the front. His old gray sweatpants were easier to pull on, and as for a shirt…

It wasn’t unusual for either of them to occasionally leave dirty clothes on the ground. What would be unusual was finding Mira’s underwear in tatters. How did that happen? Did Sandy…did he? He inspected his blunt human nails and grew even more concerned. He was picking up the scraps when he saw the red bottle, which he remembered Mira chose. RED ROCKET. Strange, wasn’t he the one with the red rocket? Maybe something similar had happened to Mira too. He wondered if docking was possible with two sheaths. Visualizing it, his canine tip momentarily poked back out.

What was that shop called? He opened his maps app and checked the search history. Hecate’s Hand-Me-Downs, that was it. He thought it was a dumb-sounding name the first time he heard it, but now he wondered about its origin.

He pulled on a shirt, put Sandy in the backyard, then headed to his car, following the navigator back to the store. When he entered, he felt a strange déjà vu as he took in the sheer size of the place. It felt way too big for the small building he saw pulling up. Big as it was, the store was arranged in a tight maze of shelves filled with countless random curios, reminiscent of a particularly odd antique store. He approached the counter nervously, seeing no one either shopping or behind the register. No sooner than he pressed the little service bell did the curtained door behind the counter flap open, and the same willowy woman from yesterday drifted in to greet him. She had flowing silver hair and a narrow face with high cheekbones. Taller than him, she cast an imposing shadow.

“Ah, a repeat customer,” she smirked.

“You know why I’m here.”

“I do.” She drummed her long fingers on the desk. “It was a mean trick, I know, but every once in a while I like to have some fun. Did you enjoy it?”

“But–”

“–Don’t forget, you asked me to pick something out for you. Didn’t you read the labels?”

“I did, but–”

“–Then what’s the matter? Or did you come looking to buy more?”

“Nothing on the label said that it was going to give me a…you-know-what,” Josh’s face flushed.

“Sure it does, didn’t you read the fine print?”

“Who ever reads the fine print?”

“Ah.” She clicked her tongue. “I told you to read it carefully, did I not?”

“You definitely didn’t.”

She shrugged. “Okay, maybe I didn’t. But I don’t see the harm done, unless you just came to complain. Tell me, did your girlfriend–”

“–I still have a dog dick!” he shouted, wincing as the sound carried through the wide room.

Her smile melted into a dismayed frown. “That’s not right. Which one did you take?”

“The ‘Hound’ one.’”

“And your girlfriend took the red one?”

He nodded. “And now she’s nowhere to be found. I thought maybe she just needed some space depending on whatever happened last night, but I have her phone, and she didn’t show up for work, and…” The shopkeeper held out a finger to silence him.

“I think I know where your girlfriend is,” she said seriously. Then her characteristic smirk returned. He waited for her to continue. “She’s a little closer than you realize.”

“What’s that supposed to mean? Did she come here?”

“In a way,” the shopkeeper said. “In fact, you brought her yourself.”

“What does that…” She pointed at his crotch, which bulged out so indiscreetly that he concluded the gray sweatpants were a bad idea. “You can’t mean she’s–”

“–Your dick? What did you think ‘Red Rocket’ referred to? Strange, though, it should’ve worn off when yours did.”

Josh wanted to say there must be a mistake, but anything seemed possible now. If nothing else, he was relieved that she didn’t leave him. Studying his bulge, he realized it was a pretty selfish thought. “Is she…dead?”

The shopkeeper laughed. “No, of course not. When you turned into a dog, you didn’t die, right?”

“Maybe I did, I can’t remember–”

“–You didn’t,” she interrupted. “No, unless something went horribly wrong–aside from the permanence–she should still be fully conscious down there.”

“Oh my god. I used her to piss with. I think I even fucked our pet…”

“All perfectly normal functions for a cock. And all immensely pleasurable for her, I might add. Or so my happy customers insist, anyway.”

“Where did you buy those poppers from?”

“Made them myself,” she said, smiling. “It’s a shame you didn’t enjoy them, but I get why.”

“How do I change her back?”

“You can’t.” she said gravely. Josh’s mouth opened and closed, stunned. “I’m only joking, of course,” she continued, “lighten up! All things considered, it’s kind of funny.” Josh protested, and she again held up a finger. “Now, unfortunately this isn’t a case I’ve had to deal with before, so I’m going to need time to brew up something new.” He asked her how long it would take, and she told him a week.

“Can’t it be faster?” he cried. “She can’t spend a week like this! I can barely keep this thing hidden, and both of us are going to lose our jobs if we don’t–”

“–Hey, do you want me to help you or not? A week is the best I can do. Hopefully sooner. If you give me your number, I can call you when it’s ready.”

“Fine, but I’m leaving you a one-star review.”

“Fair enough,” she said, suppressing another smirk. “Before you leave, I suppose I can give you this on the house,” she said, digging around under her desk before setting a loose pill on the table. “A top seller on my online store. In simplest terms, it’s kind of an anti-roofie. Who knows, maybe it will restore some of her bodily control.” Josh took the pill and thanked her.

*****

The second time Mira woke up, she was hovering over a toilet bowl. She guessed it was a toilet bowl, anyway, because once she slid out of her sheath, she felt a distinctly human hand grip her body. So, she hadn’t turned back yet. She jumped slightly at the touch, unable to help it.

A different kind of pressure than before had been steadily building behind her; now she was pointed downwards as a new stream of scalding liquid shot out of her. She was used to spurts, but this came out in a sustained trickle. From the acrid taste alone, she immediately knew what it was. It had crossed her mind that this was an inevitability, but now that it was here, she wished more than ever that she could change back. Once finished, she slid back into her sheath, then out again, then in again.

When next she awoke, she was confused: was she still in her sheath? As she wondered, she felt a slight vibration run through her. The tingling continued as a strange feeling returned inside her. She didn’t know how she did it, but there she was, sliding out of her sheath with control over her body. It was exhilarating. A loud voice, albeit slightly muffled, traveled down to her, and she was surprised she could hear it.

“Mira?”

She found she could throb of her own accord now.

“Hey, so…sorry about the whole dog dick thing.” She throbbed again, bobbing in the air.

“Wait, we need a better system to communicate. How about the old one for yes, two for no. Can you do that?” She throbbed once. “Great. Do you still remember, like, who you are?” She throbbed one time. “I should probably back up a little bit…” Josh filled her in on all that had transpired.

“I know you’re probably worried about the clinic,” he continued. One throb. “I’m so sorry, I don’t think there’s anything we can do about it but wait.” Two throbs. “No? I know you’re mad, but please try to understand. I’m really sorry.” She suddenly lit up as he ran a finger up her shaft. “So. Did I, y’know, with Sandy?” One throb. “Fuck me,” he swore, and she throbbed twice. “Yeah, yeah, very funny. How do you feel right now? I mean, wait. Do you feel good?” Two throbs. “All things considered?” A pause, then one throb. “Did you feel it when I, well, pissed?” One throb. “Wait, you can still hear. Can you taste it?” One. “Shit, sorry again. Not a whole lot I can do about it though…and I think I have to go again soon.”

“I’m guessing you also felt it when I…” He still struggled to bring himself to say it. One throb. “How did it feel?” She throbbed wildly, practically thrashing around. “That good?” One throb. “Obviously it felt good. Damn, I don’t really know what to ask you. However, here’s the deal: I can’t miss work tomorrow.” Two throbs. “Well, we can’t both lose our jobs, right?” One throb. “So, here’s the rub: you’re kind of big. Like, obscenely big. Bigger than my old dick.” One throb. “Even when you’re…in your home, you’re pretty conspicuous. Worst case scenario, you get erect while I’m on the clock. So don’t get horny, understand?” One throb. “Do you think you can just stay in your sheath like a good little cock? Sorry, that was weird. I don’t know, it’s really strange talking to my own dick like this. Shit, sorry, but I really have to go now.”

Go where? Still sticking out from her plump sheath, she jostled wildly between his legs. The next thing she knew, a familiar rush returned behind her. Panicking, she tried to suppress it by clenching her length and found that she actually could. “C’mon Mira, I know it’s not pleasant but I’ve got to. I can’t just not pee for a whole week.” Deep down she knew he was right, and eventually she unclenched to let the piss shoot through her.

Now that Josh was aware of her position, Mira felt a little humiliated by the prospect of being a cock even for one more day. Once the stream of piss stopped, she heard Josh start to speak again, but she ignored him, ashamedly sliding back into her sheath. Surprisingly, this time she stayed awake. It took a lot of willpower to put up with being prisoner of your own sheath for so long. It would take even more willpower not to get hard all day.

That night, she felt Josh coax at the opening of his sheath, and she slipped back out. “Hey, Mira…are you still Mira?” She throbbed once. “It’s not really the same talking to you like this. Makes me kind of uncomfortable…do you mind if I just call you ‘Cock?’ Two throbs. “So Cock,” she throbbed twice, angry at having been ignored, “I remembered how earlier you indicated that you enjoyed, like, y’know.” Two more throbs. “I was thinking maybe you’d like it if I gave you a little…stimulation.” She was about to throb twice, angry at her identity becoming reduced simply to ‘Cock,’ but suddenly his hand was on her, rubbing up and down.

Like last night, hot sparks of sheer pleasure flew where skin touched skin, and Mira thrashed around helplessly, feeling her control dissolve as she gave in to the pure sensations. He picked up the pace, only intensifying the rush she felt, until finally sticky ropes of musky doggy jizz shot out of her mouth. In that moment, everything that wasn’t pleasure melted away. But like last time, as she retracted back into her sheath, she felt a sort of post-nut clarity return to her. Horrified that the last vestige of her sovereignty was fading, she desperately tried and failed to lift herself back out of her sheath. And once the warm pocket slid over her head, she fell asleep just like before.

*****

A small oversight on the shopkeeper’s part was to only give Josh one pill. After Josh masturbated, the effects simply faded. Josh knew he should just go back and ask for more, but when it came down to it, he remembered his strained attempt to pee and the attitude Cock was starting to give him. He decided that maybe it was best for him to stay in control of his unwieldy member, especially while at work. Besides, it was better like this, right? As relieved as he was to hear she was alright, it was getting kind of weird. Weirder than having the doggy dick to begin with.

His work routine continued through Friday, and it was the same thing day in and day out for Mira. She was mainly used for pissing. Come nightfall, he would usually spend an unhealthy amount of time jerking her off, which she was helpless to do anything about. It wasn’t long before it became the thing she looked forward to the most throughout the day. It was still humiliating, but it simply felt too good. She was just doing what cocks did best, so what if it meant she was now horny all the time?

Once Mira accepted that she would be missing a week of work, it actually became easier to get through the day. Her usual stress was replaced by a kind of euphoria at being used, being Josh’s needy canine cock. She still wanted to change back, obviously, but if nothing else, she had begun to accept that this was just the way things were for now.

On Sunday, Josh received the call they were waiting for and was asked to come down to the shop. The shopkeeper–whom he learned was the Hecate she named her shop after, not some weird Greek goddess–had synthesized a new vial, one that she knew for sure would separate them. There was a catch, however.

“I’m not perfect,” she told Josh. “Whatever went wrong with the last ones was really a tricky bit of magi–chemistry to undo.”

“Good thing you figured out how to fix it then.”

She grimaced. “As I said, I’m not perfect, and no matter what I tried I just could not find a way to separate you two without messing up either of your physiologies. Trust me, it could get very messy. That’s just the thing, though. I got to thinking, and realized that the problem was really that you’re too similar. Human DNA on human DNA doesn’t have much of a chance to differentiate itself, sometimes confusing different, uh, chemicals, but then it hit me: she’s not a human cock!”

“Great, so you know how to–”

“–It requires an extra step, and I don’t know if it’s foolproof. I also don’t know what will happen to your dick once she’s no longer serving that role. Still, it’s the best I can do.”

*****

“Time to wake up, Cock,” Mira heard Josh say as she felt his fingers stimulate the outside of her sheath. She felt herself poke out slowly, expecting to be used in one of two ways.

“Hecate–the shopkeeper–figured out a solution to our little situation. It’s a bit unconventional, but you have to trust the process.” Why wouldn’t he just tell her what it was?

She heard him inhale something, then immediately felt a rush up and down her fleshy rod. She began to throb again, a feeling she had grown accustomed to, but with every throb she felt herself grow a little bigger. She grew so big that Josh had to lay down on the bed to support her. As she expanded, she felt little nubs where her arms and legs used to be. She had forgotten how good it felt to move them.

Crucially, her vision returned as her eyes reformed through the spongy cockflesh, which was hardening and changing shape. Josh squirmed a bit, feeling the sensations too. She was now more than double her original size and still growing. As her organs reformed, her nostrils and sense of smell returned. Next, she expected her piss slit snout to push back into her face, restoring her mouth so she could finally yell endless profanities at Josh. The rest of her body changed back first, though, so she had to wait. Her skin shifted from red back into a healthy pink, and she felt hair start to grow back all over.

When she was roughly Sandy’s size, the body growth came to a halt. As her stubby limbs pushed out, she was excited to finally feel her hands and feet again, to wiggle her fingers and toes. They grew back slowly, remaining short and padded for the time being. The most crucial part of her transformation came when her rear reformed out of the once bulbous canine knot. Where she had been fused to Josh, she now felt his dick prodding inside her ass again. He pulled it out, separating the two. She was too busy with her own changes to notice that Josh’s new dick was still dog-shaped and bright red. Maybe he had taken hers, considering the sensitive new slit forming where her cock used to be.

The hair continued to grow in, although she expected more of it to come from the top of her head. She became concerned when she looked down and realized she had seen a similar color pattern and lengthening of fur from Josh’s original transformation. Frustratingly, her tapered tip remained long and pointed, and she could see it at the bottom of her vision even as she felt her mouth reform from a pisshole. It was a wider mouth than she remembered, and she accidentally bit her new tongue with sharpening incisors and canines than she was used to. When she saw the start of a tail, she finally understood what was happening.

Josh heard her whine, using her vocal chords for the first time in a week. “I know, I know. It’s okay, this is part of the plan. You needed to maintain your dog DNA in order to separate from me, which is why you’re becoming an aussie. Once you’ve gone full dog, I have another popper that should turn you into a human again. Got that?”

Mira expected herself to say ‘yeah,’ but only a rough bark exited her rubbery black lips. It was to be expected, she supposed. Having grown used to seeing his canine cock, Josh finally realized it wasn’t human again. As he panicked, Mira hopped down from the bed on her four new paws. If she was transforming back into a human after this, she might as well feel what it’s like to be a dog for a little bit. It felt incredible to move of her own accord. Then again, orgasming as her boyfriend’s cock had felt pretty incredible too.

She sniffed butts with Sandy and ran around, having fun playing with the other dog. She forgot that she had a job to try and salvage first thing Monday morning. For that one moment she was truly carefree, and it was a feeling she hardly recognized. Tail wagging, she barked and chased Sandy into the backyard.

*****

One year after the doggy dick debacle, Josh was savoring the fresh park air. He had taken to walking the dogs every morning before work; when the leashes came out, both aussies always pounced on him in excitement. Not lately, however. Their pregnant bellies made it a little harder to move so freely. Both mamas’ litters were due soon, and Josh spent all of his free time preparing for the occasion.

“Okay, okay, Mira. I hear you, calm down,” he called as she barked at a squirrel. It used to be hard to tell whether she was more dog or human on the inside, but she had long since embraced true carefree animal bliss. She heard Master say her name and padded back over to him, panting. He scratched her floppy ears. Not to be ignored, Sandy tried to vie for his touch.

“Girls, girls. If I keep having to stop and pet you both, we’re never going to make it around the lake before work.” As he stroked their fur, he felt a sudden tiny jolt as his tapered cock poked out of its sheath. Too late to avoid it, he would have to find a secluded place to calm his growing erection. He walked the dogs over to a cluster of bushes far from the path and undid his pants, releasing his glistening red rocket from its confines. He had learned a long time ago that there was only one way to get a serious hardon to go away. And although his girls were too far along in their pregnancies to take his knot, they still helped out with their tongues. He worked his shaft until finally blowing his load. Mira and Sandy lapped up every drop, making the cleanup easy.

After Mira had returned from her stint as a cock, she spent the rest of the day playing with Sandy and getting dirty in the backyard. When Josh eventually called her in and held out the popper to make her human again, she shook her head and ran off, tail wagging. He tried again on Monday, then Tuesday, and it finally became apparent that Mira was happy just the way she was. He understood completely: although he mourned the loss of Mira the human, nothing thrilled him more than to see her so happy, with no stressful job to worry about or bills to pay.

They didn’t have to sacrifice too much as a couple, though; needless to say Josh’s taste in women changed a bit. When he went back to Hecate’s Hand-Me-Downs and explained the situation, Hecate said she’d get to work making something to turn his cock back to normal, but he declined, accepting the embarrassing public mishaps bound to ensue.

A year later, he was still the horny hound he became on that fateful night, the only difference being he was still an electrician during the week. The toys and dog treats (and rent) didn’t pay for themselves, after all.

As Mira and Sandy approached their due dates, Josh explained his new plan to Hecate, who happily assisted. All of his affairs in order, he finally quit his job. Hecate herself drove them upstate: after all, the car was hers after she dropped everyone off. She introduced them to their new home, where they would be taken good care of by a kind relative. Out there was endless open space for the puppies to run around in.

During the entire drive out, Josh fearfully doubted his decision to go all the way, but his desire to be a real father kicked in just as his final popper did. Now all three of their tails were wagging.