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The Biggest Sub

Exclusive Sneak Peek

Brett came running into the apartment, his dress shoes clicking as he had a pep to his step. The Pitbull’s heart was pounding with excitement. It was his anniversary with his big sexy grizzly of a husband and he had ordered something special for his man. When he got the notification it had arrived he booked it home, calling it an early day at the office as he needed to make sure everything was perfect for his man when he got home. David was the love of his life, the biggest guy he had ever met, and for a six two Pitty, it’s hard to find someone bigger. But fuck if David wasn’t exactly what the Pitty wanted to put him in his place.

Brett gave a little whine, his long tail sawing behind him like some propeller. His fur was pure white and his hair was black and closely shaved to his head with clipped ears. He hadn’t clipped his ears before he met David. He was squeamish about it and didn’t want to go through with it, but when he offered to have them clipped because David said he liked the look, the grizzly was surprised. Brett was a completely devoted sub to his husband, and David was a total power dom, so when the situation presented itself to clip his ears for his man solely because he liked the look, Brett jumped at the opportunity. When he got the bandages removed and his scabs finally healed over, David couldn’t keep his hands off him. He asked if he wanted him to clip his tail too, but David forbade it.

He liked having something to grip onto.

His shoulders bunched up as he held the small package no bigger than his fist, hopping from one foot to the next as he gingerly placed it on the kitchen table. With his gift secure, he tossed down his satchel on the ground and cracked his shoulders, his thick neck a powerful series of cords lashing to a classic Pitty jaw. His blue dress shirt was dark and tucked into some long, gray dress pants. The pleat completely lost against his thick thighs and ass muscles. It was perfectly hemmed to show the dress sock clad ankle disappearing into his shoes.

Brett took a claw and pierced the tape holding the package together and slit it open, freeing the flaps of the box. Inside was a nest of bubble wrap around a black velvet box. He gingerly unwrapped it from its cellophane prison before opening it up. Much like any other ring box, it swung open and revealed the ring inside. It was steel, and with how large it needed to be to fit David’s fingers it looked almost like a fucking washer instead of a piece of jewelry.

The Pitty’s tail started to sway back and forth gently in wonder as he looked at the silvery band. It was made of pure steel, but it wasn’t the material that made it so expensive. It was the magic it was imbued with.

“All that money for something so small,” Brett mused as he pulled the ring from the box and held it up to the light. When him and his husband got married, they didn’t exchange rings, so neither of them had much on the outside to show they were both taken. Brett was given a chain with a lock, a powerful collar of possession around him while David kept the key. Hell if they even knew where the key was. The very thought of it reminded Brett why he kept his tie synched tight around the office. Last thing he needed were his employees on the phones getting distracted by the BDSM chain and lock hanging around Adam’s apple. Though, the lack of a public indicator that he was taken was kind of annoying in some ways. If he wasn’t at his desk with the picture of himself and his husband in their wedding tuxes, people assumed he was on the market.

And the amount of subs that came to him expecting him to be some hardened top would have been laughable if they really knew what he liked. Hell, half the time when they asked him for his number he was holding in his man’s nut from their morning romp with a butt plug that would make some size queen’s blush. He looked the part of the alpha mutt, but he couldn’t be further from alpha if he tried. They’d need to extend the alphabet further if they wanted to reach the levels of submissive he could get. Maybe if he was raised differently he would have become an alpha dom, but he had more in common with the self-proclaimed faggots that blew their coworkers indiscriminately behind the dumpsters on their breaks than he did with the men he out lifted at the gym. He was one of those coworkers at his last job before he met David.

That’s actually how they met. David was working a construction site next to the building Brett worked in. When the grizzly caught Brett sucking cum from some twink with a jaw breaker cock, David pulled him to the side. Brett thought for sure when the big grizzly pulled him into the trailer office that he was only going to keep him there until the police came. But the police never came, and David did. David came in both his holes and marked his face and back for good measure.

“There, now all those other skanks will know you’re owned,” David rumbled before taking Brett’s phone and unlocking it with facial recognition. He had to do it a few times because the cum on his muzzle was making the lines hard for the new tech to read. He then got his phone number and told him to shower up tonight because he was taking him out to eat.

David had taken him to a nice sit down place. It was odd. From the moment he met David, it was like he knew he was his husband. Sure, he asked if things were okay to do, and he made sure Brett was loved and cared for, but it was ownership at first nut. Marked in more ways than one. The grizzly must have felt the same because they hadn’t been apart for more than a week since they met. The only thing keeping them apart was work. One time Brett was going to a conference across the country for two weeks and David rented out a suite for them. Brett was just glad he only needed to sit and listen most of the time there or they would have seen his limp.

All that and five years later, they were happily married and living out their kinkiest fantasies, and that’s where this ring came in.

“So much power in such a small thing,” Brett took the ring out and lifted it up to the light. It glinted with its metallic sheen, and a strange sense of power buzzed in the metal like it was a live wire. The Pitbull had purchased this ring from a pretty shady corner of the web, but that’s where most magical merchandise was obtainable. Too many lawsuits would pile up if they were sold through the proper channels. Buying the product was just as illegal as selling it, so complaining would mean going down for the crime as much as the seller would. Apparently this little ring of metal was going to make whoever wore it grow. It was specific to David’s aura, having a single strand of his hair being burnt into the metal when it was forged linked it to him. Now that Brett held it though, he felt almost a little foolish.

“Wait…” Brett pulled the ring close, letting it rest in his thick palm. What if it was a scam? Brett wasn’t an idiot, he did his due diligence and got some reassurances, but at the end of the day, those emails and articles were just ones and zeros on the net. How did he know it actually worked? It may be bound to David, but that just meant it would work best with his grizzly husband. Besides, how could he even test it? The closest finger it would fit on was Brett’s thumb.

The Pitbull pursed his dark lips as he looked at the ring before hooking his thumb into the loop and letting it slip onto his finger. The ring was still loose, but at least he had to push it past the knuckle on his thumb. It then slipped on and dangled there. He could still easily twist it and move it back and forth before knocking against his knuckle.

Then a sudden jolt went through the Pitbull as though he were shocked. He gave a little yip, the big brute making it sound almost like a bark. The ring buzzed and hummed. Brett felt a warmth building up inside him, a sudden rush of heat filled his body and caused him to pant. Every pore on his body tingled, activating as he started to sweat, the flush of warmth making his jowls droop as his jaw fell to let his tongue lull out.

“Oh, there’s something happening,” Brett brushed his brow with his other hand before looking down at the ring. He knew something was building inside of him, the heat making his bones itch like he needed to crack them. “Ho-Holy fuck…”

With a sudden surge he inched up, his pecs pushing out more, his pierced nipples pressing into the fabric and showing the steel barbells he had on those thick, juicy nips. His shirt lifted out of his dress pants as his spine elongated, the sleeves getting a little tighter as the cuffs rode up his arms to expose his wrist. He felt his pants ride up, going from perfectly hemmed to high-waters as his ass caused the fabric to strain and groan. His bulge pressed against that zipper, his jock sagged lower, the straps becoming visible against the dress pants with how tight they got. If he grew much more the cage he had his cock locked in was going to become too tight.

“Well, that’s more than enough to tell me it’s working,” Brett went down to grip the ring and his fingers slipped over it. He furrowed his brow and looked at the metal band around his thumb. It snugly fit on now, but that also meant his knuckle was too large. Brett’s eyes went wide as he gripped the ring in his fist and yanked. “Oh shit! Shit, Shit, Shit!”

The sweat in his palms made it impossible to get a grip on the band, the metal digging into his knuckle like a bicyclist hitting a retaining wall. It wouldn’t budge!

Then another wave of energy rippled through him like static, powerful sensations welling up inside him. He felt his muscles flex, a few stitches popping as it tingled through him and pumped his stance wider. Brett kept trying to get the ring off, but it just wouldn’t budge! Maybe there was something in the packaging that could help. Brett undid his tie in one hand, his brow glistening as he grabbed the business card from the box.

“A Curio Product,” Brett panted softly, trying to keep from flexing or cracking any joints, the power building inside him but not forcing any change just yet. “For best results, only use on the one bound. Safe Word is ‘Speakeasy’.”

Brett remembered that all the products came with a safe word, one that would nullify the magic. The Pitty sighed in relief, the motion like slipping a leash loose and letting his body inch up ever so slightly. He moaned, quickly undoing the top button of his shirt before it burst off. A few other buttons were struggling to hold that shirt together, the white undershirt he wore to keep his clothes nice peeking through the windows the straining buttons made.

“Okay, easy enough, Speakeasy.” Brett spoke the safe word and waited for the magic to recede. He waited for a few heartbeats before another wave of energy tingled through his bones, the sound of wet crunching causing him to slip upwards as his back widened, his cuffs digging into his forearms as they rose up, his biceps causing a few strands to pop, his ass pressing further into his slacks and his shoes groaning as his toes pressed against the end of them.

“W-What the fuck, did they send the wrong safe word?” Brett frantically looked over the card, but there was nothing else. He blinked and read it over again only to come up short. He was about to read it a third time when the first part struck him.

For best results, only use on the one bound.

“Oh fuck,” Brett breathed as he looked at the metal band. Only David’s voice could stop it! And he wasn’t going to be home for at least another hour. Maybe that would be okay?

As soon as he had that thought, another wave of power rippled through him, more stitches popping as he grew up another half inch. The heat bloomed in his chest, his loins hot and heavy in more than one way as his bulge started to press forward, straining that jock. With a light gasp, he reined it in, but he could already feel the power building up again. How many growth spurts could take him? How many surges of power could possibly be stored in that ring?

The image of the advert showed a man taller than a tree. The sudden realization that his dick and balls were in a steel death trap now got his attention.

“I need to get down to the construction site,” Brett huffed, taking a step forward and his body shuddering. The growth rippled over his form again, his bones cracking, his jaw getting more angular, his frame growing simultaneously heavier and lighter with mass. The pleasurable glow that bled over him from that growth was intoxicating. He felt like he was locked in an iron maiden, but instead of pricks to his skin, he’d get growth. All he needed to do was give in and let the growth take him. The promise of pleasure and raw power tickled his spine.

“No,” Brett mentally slapped himself as he took a step forward, his shoes groaning as his toes ached in their now too tight confines. “I need to get to David.”

Brett took a step forward, the energy only tingling out in small little bursts, so small it was unnoticeable, but he could feel the pleasure of letting it leak out. He held most of it at bay, but fuck if it was hard. He needed to at least make it to the bus and head down to the construction site. It was only a few stops down, so he only needed to keep it together for about twenty minutes and this horror would be over.

Brett lumbered down the stairs to the lobby, his bones itching with power just begging to be scratched, and each exertion of effort, any movement, was enough to let that overfull goblet of growth drip over, and immediately well back up again. By the time he reached the bus station, he was four inches taller than when he began. Everything on him looked like he had put on clothes two sizes too small. He undid the cuffs to let his forearms have some breathing room, but as he got on the bus using the handicap entrance, he realized he wasn’t going to be able to sit down. Any amount of bending of his legs and his ass would burst out of those over stuffed slacks!

So he stood. He was getting plenty of looks, and the eyes lingering on his groin would sour when they realized the indents and shapes weren’t just taut fabric, but a steel cage, the open collar of his neck had exposed his chain and lock. He might as well be wearing a hood and a leash with a sigh on his tits reading “Free Use Pup!”

Then the bus rumbled to life, hissing as it took off. Brett just focused on his breathing, trying to keep himself from getting too hot under the collar with all those eyes on him. He always did like the fear of getting caught, and also those cruises to the more leather clad fire islands. So, the idea that they were pegging him for the little collared bitch he was, kind of set his nerves alight. His shirt was getting darker with his sweat, his pits showing his heat as small trickles spackled the small of his back and shoulder blades. His brow glistened as his dick in his cage twitched, the steel keeping him nice and compacted.

“Just focus on your breathing,” Brett calmed himself, taking in even breaths. He focused on keeping the energy inside him under control, taming it as it continued to build. Even the slightest flex could set him off.

And with that, the bus hit a hard turn. Instinctively Brett gripped onto the metal and activated his core to keep balanced.

“Oh fffff…” Brett bit his bottom lip, growling softly as the pleasure boiled in his veins like liquid metal, only to cause his muscle to flex and forge that liquid metal into mass. The proverbial cup spilled over as Brett started inching upwards. It was so much more potent than the first few spurts he got. It rippled through him, the sound of popping stitches and groaning leather from his shoes filled the cabin of the bus. Several people looked at Brett and then started pulling away as they realized he was growing.

“Oh god…” Brett tried to hide his shame, his face burning red with his blush as he continued to expand. The pleasure coloring the end of his words into a light moan before his head pushed up. They were just at the end of the turn when the power inside him surged. “Shit!”

Brett’s head shot up, his spine violently extending, his head smacking the roof of the bus. His shoes groaned, his feet painfully contained until they burst out of the expensive dress shoes. His pecs shot forward, the buttons on his shirt shooting out as those thick man tits jostled with more size and the potholes. Brett needed to rein this in, but the sudden shift of the bus coupled with his growth made him lose balance as he had to shift one foot. As it came down more of the shoe burst open, his toes freeing themselves as his calf got rid of whatever little pleat was in his pants while his thighs split the fabric on him to show teardrops of raw power. His ass blasted out the back of his pants, a tear splitting down the inseam as his cheeks were exposed. His jock did nothing to hide his round, muscular cheeks and the bright steel bottom of the plug in his ass. He crouched down, only for the motion to make his abs burn with pleasure as his stomach crunched wetly and he jumped up another foot! His shoulders were now firmly pressed against the roof of the bus and his shoulders groaned as he tried to find a comfortable way to stop his growth, but no matter what way he moved or shifted, something was flexing.

He needn’t have bothered trying to hide his shame as he squatted down, his pants splitting down the middle, his jock on full display while the elastic strained, the outline of his cage pushing the fabric out to its limit. His junk hung low with the steel weight keeping his dick in a perpetual soft state.

Why did he get a steel one! He knew why. David knew that a steel cage would be impossible to ignore throughout the day. Whenever Brett moved, or sat down to quickly and clunked it against a hard chair, he was reminded that his dick was owned by his man. Like a steel fist was constantly tugging on his loins and reminding him he didn’t have control of his own dick. He’d been properly caged for the past few years, having given his dick freedom to David on their wedding night. Now he was only uncaged when he needed to clean up properly once a month. Otherwise he could clean it pretty well himself.

That being said, he felt his dick growing, but the pressure of the cage didn’t increase. Also, the chain around his neck didn’t seem like it was getting tighter either, nor the butt plug that kept David’s morning load inside him. He should be feeling something by now, right?

Then it occurred to him that the ring was made of steel, and it was designed to grow with the user. Maybe it’s growing properties applied to like metals. That would explain why his melon sized nuts weren’t crushed into jelly in his cage and why he wasn’t being choked by his collar.

“Stop the bus!” Brett grunted, his voice getting deeper as his back pushed against the roof, his shoulders hitting the sides. “Everyone off NOW!”

“What the FUCK!” The bus driver screamed as the passengers started to panic. He hastily pulled the bus to the side, blocking half the road as he and the passenger’s scrambled to get out.

“Hurry up!” Brett, huffed, trying not to exert too much power, but even booming out a command caused his abs to crunch, his blood to boil, his muscles to forge and flex. His eyes went cross as the pleasure took him, his nut oozing out of his cage as he came hand’s free, his clenching hold grinding that butt plug against his prostate as his cock oozed out his cum and it dripped out of the strained fabric of his jock.

The people barely got off the bus in time to watch as the roof groaned, denting as the muscles expanding beneath it punched and shunted the flimsy sheet. Brett was only getting out of this bus one way. He grunted, putting both his hands on the roof of the cab and his feet beneath him as he pushed up. He could feel the steel shrinking against his palms as they expanded, his claws sheering the metal away as his feet blasted through the bottom of the bus with his growth. His shirt tore, threads pressing pitifully against the slabs of meat and making them jiggle as the cotton and silk snapped. The shoes around his feet exploded as they expanded and pushed the bus apart. The public transport was split in two as Bret ripped his way free, groaning in both pleasure and relief as he felt cool air grace him, his nipples getting hard and the steel barbells tweaking at them as they grew right along with his body.

Brett huffed, his eyes focusing as he relished in the pleasure of his growth, only for it to be soured by how publically he was exposed. His face burned as he looked around, all those eyes over his collar, his nips, his butt plug, and his junk caged in steel.

I need to get to David.

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