Full Membership

Story by Luther-Bat on SoFurry

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Something I wrote for Skarlath on FA.


Full Membership

By Luther

Sometimes Skarlath would pass a little time looking over the ones with a smaller frame and imagine what they would look like as large as him, or even bigger. Sometimes he'd watch the larger ones and do the opposite, picturing what they once looked like before adding all that mass, before mentally restoring them to proper size.

Taking the thin and puny and turning them into muscle-bound hulks was a process he was quite enthusiastic about. It was, after all, the business of a gym. The only problem was that it often took too long for his tastes. To that end he would sometimes use his own innate abilities to help some attain that status just a little quicker than normal . . . or a lot quicker. What was the point of inheriting demonic powers if one didn't put them to use towards a somewhat selfish vice? It seemed the most appropriate use for them, after all.

Of course he couldn't do it too much or he'd run himself out of business and lose the excuse to draw in so much eye-candy in one place. He also didn't want to deal with the sort of attention that would come if word got out he could make someone go from stick to herculean in one afternoon. The wolf promised himself to keep it infrequent and secret as possible. He could always stand to work on self-control, even though sometimes it was really hard.

This was tested on one particular day, when the wolf-demon found his roving gaze returning to the same pair working out together over and over. They were in a lonesome corner: a stallion and badger duo. They looked to be friends or at least knew each other fairly well. They were big. They could stand to be bigger. The wolf chuckled as he looked over the badger, the fellow had a bit of a gut to him yet it was still had fairly defined abs. It wasn't the most common sight and he liked it. Skarlath decided to make himself acquainted.

Things were going slow in the gym and Skarlath was plenty free to go over and introduce himself. He learned that the horse, a chestnut-brown Clydesdale, was named Josh and the badger, shorter yet broad shouldered, was Travis. They had been here before once or twice, though were still a little uncertain of themselves in a setting like this earlier on, both made a pact to visit together and bolster each other. Skarlath could only take it upon himself to give them a proper welcome. As it slowly came to light, the two of them have eyed the gym owner in a similar manner and Skarlath's thoughts went to plans for the immediate future.

Throughout the conversation it took very little convincing to interest them in a tour and some personal instruction on the house. They warmed up fairly well to him, in no small part due to his own special influences. He caught a smile here, a wink there, every sign that today would be less boring than previously anticipated.

He took them around back, leading them to the showers where the tour concluded. It was a shower room, not much special there. Skarlath let them pass and grabbed his little makeshift sign that read 'out of order', affixing it to the outside of the door behind him, helping assure privacy. They were alone in here at this slowest time of the day. Showers, lockers, benches, and the like: yep these were showers.

Skarlath then turned to them. "Now, to the best of my knowledge you two haven't gotten a real workout in yet," began the wolf, grabbing their attention. "It's also a pretty damn boring day. Would you guys care to change that?" Between that question and the flirting earlier, it was nearly impossible to misinterpret.

"Right here? Now?" asked Travis.

"It's a men's changing room at a gym. Don't act surprised," dismissed Josh. "And don't act like you weren't thinking it." He pointed to the badger's crotch and to the huge erection that was poorly hidden down the leg of his shorts. Travis pretended that it was the first time he noticed, it failed yet telegraphed his interest.

"So how's this gonna happen?" the stallion asked, already unbuttoning his fly. When the horse's shorts dropped, jaws nearly followed. True to form, the big equine didn't fail to deliver on the stereotype but really, did that ever happen in these stories?

The word 'huge' didn't have enough letters in it Josh's size. It didn't seem long enough to do that monster cock justice. Brobdingnagian had been done before. Tremendi-mammoth? Colossa-big? Josh's manhood was the size of his forearm and the damn thing was still soft. Skarlath was used to dealing with monster cocks but that was usually after he had worked his magic on them, not before. The wolf tried to disguise his surprise as he answered.

"You might not guess it just looking at me but I feel like taking on both of you." That raised some eyebrows. "And seeing you like this . . . no way I can turn down the chance. You two up for it?"

Travis hesitated a bit. Josh, on the other hand, was already in action. His aforementioned member was already stiffening, slowly angling upward at a pace and readiness suggesting that it might have been a bit too long since he found relief.

Skarlath took this as a 'yes' and did the same. He already felt himself growing a little hard at the thought of being taken by both of them. Off came the clothes, troublesome nuisances getting in the way, and he found a nice and sturdy-looking bench that would serve nicely, and gave them ample invitation.

Travis followed the horse to where the wolf stretched himself on the bench, rear raised and poised. It was clear that Josh was not at all shy about it at all when he stepped up and slid and pressed his now throbbing cock between the wolf's cheeks in teasing fashion.

It was then that the badger looked down and noticed something peculiar about his friend.

"Josh, hold still!" the badger said. His stare painted a clear line straight to the stallion's pride. Hearing the shock, the horse obliged. It was hard to see but definitely noticeable. Between the twitching caused by the beating of his heart, Josh's huge horse cock was growing perceptibly more so. The badger gasped.

"Damn dude, are you getting bigger?! No way you're just flexing it. How the hell are you doing that -some kind of trick?" Travis was flabbergasted, trying to convince himself that somehow the stallion was just pushing more blood flow into it somehow. Surely it only just looked like it was growing and any moment it would stop, having reached its limit. But it didn't.

Josh was amused. "Is this happening? Feels damn good. I thought I heard some stories but . . ."

"Yes, that would be my fault, I think," Skarlath spoke up. "I couldn't help myself from doing just a little."

Understandably, they only had just an idea of what he was talking about. The wolf decided to change tactics when he saw that his explanation raised more questions than it put down. He would have to just show them.

"No time to sit and gawk. You've kept me waiting too long already." The wolf crooked his finger forward, directly urging the horse on. Josh grunted, an overwhelming sense of desire suffusing him: his cock growing stone hard, head widely flaring, balls filling tight with seed and need. He nearly stumbled forward, closely driven by an instinct to fuck.

Travis stood there, wondering why he was the only one who really saw this as out of place. Here was his friend receiving a degree of male enhancement that was normally only reserved for dreams and taking it in in stride. Why?

Skarlath turned his attention to Travis. A tingling in the badger's crotch supplied the answer as the canine filled him with lust. "You too," Skarlath said. "You and that cute belly of yours get over here." Now Travis knew why Josh offered nary a protestation. Feelings and impulses rushed to his brain that issued a command he couldn't disobey and he even found himself blushing at the odd compliment. Rather, it was figuratively phrased in a way where he wouldn't want to disobey. The dick can make a powerful argument and Skarlath now held the badger in his thrall. A powerful weight grew between Travis's legs. His own endowment was expanding as well, quickening his pulse and erasing any alternative course of action.

Nobody would have to tell Josh twice. He didn't let enough time pass for Skarlath to have to remind him that he was still waiting. He pushed his hips forward and the slippery-slick flared horsecock pushed with him, finding its engorged length deep in him. Out he pulled once more, railing back in only when his fat glans crested once more.

Skarlath grunted in approval. He hadn't expected such an enthusiastic approach when he first made the offer. It was quite the lovely feeling to have such a massive pillar or horseflesh pierce and push him wide apart on the inside. The wolf formed a fist, clenched tight, and nearly slammed it on the bench in emphasis of the equine's long strokes. The guy knew what he was doing, that was certain.

But Travis wanted in on this as well, quite literally, and was not about to let that horse have all the fun fulfilling the wolf's request. He was momentarily entranced at watching the stallion's fat nuts pitch and bounce, filled to the brim and ready to blow at a moment's notice, so big and swollen and heavy. While it didn't immediately occur to the badger that he was now nearly as large as his friend, he snapped out of it. The wolf urged them forward with his devilry, not that they were resistant to begin with, and the badger found himself beside Josh before he even realized it, nude and agonizingly erect.

Skarlath felt himself be guided downward into a new position, held between the two of them with the stallion still deep inside. He allowed it. Hands covered him, passing him between each other until his ass was angled high into the air in a way they could both agree on. Soon enough, the wolf felt another visitor at the back door. The badger's cock hovered there for a moment. Could they even fit together? What would it feel like? Well now they just had to know.

The wolf bit his lip when Travis could wait no longer. Skarlath's member went wild with sensation, flexing and falling back with a heavy thump onto the bench top. It was an incredible stretch, even with Skarlath's nature working for him, but in the badger went. Through no small effort on his part, Travis was now crotch-deep in the wolf, now pressing firmly against the horse's pounding, flaring cock. It was only made possible by virtue of the wolf's demonic and accommodating heritage.

Now that Skarlath had them both right where he wanted them, he decided now would be the perfect time to work a little magic. Once more they grew but the effect didn't limit itself to their throbbing, pounding prides. They barely noticed at first, amid their grunting and pushing and thrusting. One would forge his way inward while the other withdrew or held still, alternating back and forth, grinding and sending the wolf into ecstatic twitching. All the while their bodies broadened and thickened with an unearthly power, forcing their muscles to develop at an unnatural rate. They were so preoccupied that they failed to realize the tall lockers now below their eye level. Taller and taller they rose as their frames grew to a hulking 9 feet tall.

The demon-wolf's head lolled to the side, eyes falling in and out of focus for a moment. He could just barely see the shapes of the two standing over and behind him in his peripheral. They pushed each other gently, both trying to get the better spot and simultaneously fighting and working together to bring themselves and each other as much bliss as possible. Their fat overinflated cockheads, soft and pliable, rubbing over each other stretched and pulled the wolf wider than before with every passing moment. Even now they were still growing, pressing forcefully into one another's sensitive shafts. The mutual friction sent them panting, swelling muscles tensed and flexed, pushing up to the surface only to have even more meat build up beneath.

Hell, they didn't even know they were really growing until the horse's long and peaked ears brushed their tips against the ceiling. Even then Josh didn't found it more annoying than alarming, nothing was amiss with him. It was like it was the most natural thing for them to be so large, to be as large as the wolf wanted them to be.

Skarlath gasped, or tried to, the words were caught up in his throat for a time, unable to escape the relentless pounding, the jerking motion back and forth that sent his own big cock jostling back and forth. It slapped against his chest before whipping back down. He grabbed it with his hand, holding it as still as he could but time and again it was nearly wrenched from his grasp. The wolf gripped hard, feeling his heart leaping with every pulse running through his malehood. He clenched, bringing the two males deep in him closer together. The badger gasped and repositioned himself, slapping onto the wolf's ass for leverage while the horse snorted and stamped his hoof down onto the tile with a loud clacking sound that echoed through the showers. Despite being reamed so thoroughly, Skarlath held a measure of control over them. It seemed he could get them to slow themselves a little like that if he ever wanted to. Though, at the time, he didn't. Fast was good, rough was better, and the two of them were delivering both in spades.

Their sheer size would have made this impossible for near anyone else but Skarlath got to enjoy the best of both worlds. He felt every ass-spreading inch of them pushing and exploring while still being able to take plenty more. Even still, the wolf's hips shifted as he struggled just a bit to handle the two of them. There was no fun if there was no challenge.

Now the two of them were grown to proportions far more agreeable with Skarlath. Travis was a titan, as big as the massive wolf with a heaving and muscle-bound chest, wide shoulders, and a big wide muscled keg of a belly under. Josh was the size one would expect from the largest of shire stallions, not that his breed had any problem with being small. The badger tensed and knelt a little, putting his weight to one side while never missing a beat as he fucked. A tile cracked beneath one of his claws, unable to bear his new weight and size. It was a forgivable offense and a small price to pay for his enormity, at around a towering 14 feet or so their hunched and massive forms could hardly help it.

By now he was moaning, writhing, and practically twisting himself in pleasure. All three of them could tell he was nearing his limit. Nobody could blame him though: he started off sensually charged and quickly found himself hilting the gym's rather attractive owner while experiencing one of the most rousing and intoxicating sexual highs in his life. Bless the fellow, Travis held onto the edge as long he possibly could. The effort on his part must have been immense but he couldn't keep from letting go forever. The huge mustelid grit his teeth and shuddered, the only warning he gave. Skarlath felt a warm flood invade him.

Despite somehow being filled even further than before, Skarlath could tell that Josh was still holding on. Maybe it was best that way, it would be easier to handle them one at a time. Skarlath clenched and sent the poor badger spasming in pleasure overload, pulling out to leave the horse flying solo. Travis collapsed on another bench, almost wheezing and smiling like a happy idiot, slumping back against the wall with his paw resting on his gut as he recovered.

A huge quantity of cum spilled out along with the badger's cock, and Skarlath was pleased to feel the horse working double-time to fill in the difference. Skarlath took the opportunity to slowly and carefuly maneuver onto his back, using his freed arm to grasp his own hyperactive member, stoking as he was reamed. He also took the opportunity to reward the horse's stamina with yet more size, greeted with a whinny of approval.

Skarlath looked up at the quivering sweating form of the behemoth stallion. The modest horse he met out on the gym floor earlier was almost unrecognizable under all that bulk and power. But now the massive equine was bigger than the badger, bigger than Skarlath was. The wolf didn't think he could bring himself to change that, it just seemed so right. From his position, the wolf judged that Josh was at least a head and a half taller than him and still getting taller! Why was that? Skarlath wasn't consciously making him grow anymore. Was it that he so desperately wanted to the see the horse become even grander that his unconscious desires were overriding him?

His thoughts were interrupted. The fact that he could form thoughts was phenomenal considering how rough and tumble the stallion was being. Josh was reaching a frenzy that could only lead to the inevitable climax the two were destined to share at this pace. It was soon on top of them and for a second time the wolf was flooded out. This was far more than before. The ultra-high capacity of those equine orbs dumped into a squirming Skarlath. It entered him and his own left as he came hard, spraying himself in the chin and belly, cum running off the side of his sweaty furred body.

That very stomach of his was bloating to truly lewd proportions now, expanding like a balloon under those hard abdominal muscles and creating quite the gut beneath them. The horse that Skarlath saw was like some kind of caricature of virility, either unwilling or unable to stop pumping cum. If he could, the wolf wouldn't have the heart or will to stop him, being momentarily held prisoner by his own ecstasy and fascination with the behemoth equine.

This time he wasn't able to hold it all. The bench creaked under the weight of so much wolf and collective cum. Despite how much he could stretch, the thick ivory cum shot in jets around the side of the wolf's tailhole, leaking and soaking the floor. Together the three of them gasped and sputtered their way back to mental clarity, their bodies slowly drifting back down in the colossal afterglow.

Whatever these two thought of the place before, one thing was certain: membership definitely had benefits at this gym.