That Costume Really Suits You

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#142 of Transformation Stories

Your first time trying on a fursuit can be a wondrous experience. Over the years, as you become used to wearing one, you might think that the novelty has worn off, but after you read this commission for Certified_GSD, you might want to reconsider!

Sebastian has a casual chat with his fursuit, Teryx, talking about how he should really wear the costume more often to make good on his so-called investment. That evening, he plans on wearing the fursuit for a while, but he decides to go through the experience without any other clothes on his body, desiring a truly intimate experience.

Whether it was the intimacy he wanted, what he gets is a suit that zips itself up and seals him inside...and as the head of the costume drapes over his own, the voice he always imagined Teryx to have starts speaking to him, telling him to relax and enjoy himself as the living fursuit shows its appreciation for being taken care of so well for so many years!

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There were plenty of people out there who didn't need any extra motivation to get into their fursuit, but for Sebastian, the colder months of winter approaching were more than enough reason for him to bundle up a little bit.

Saving energy was an easy thing to do when you had a collection of coats, or a blanket that you could wrap up in on the couch, but his favorite way to stay warm when the leaves were done falling was to open his closet and say hello to an old friend.

"I really should bring you out more often than this," he murmured, speaking to the hanging costume with a hint of regret in his voice. "Much as I paid for you, I really need to make that investment worth my while!"

Incredible craftsmanship and hours upon hours of work went into some of the most basic fursuits, but Sebastian's was a truly unique work of art: among the rest of the clothes in the closet, settled on hangers, the fluff and scales of blue stuck out like a sore thumb, inviting him to pull it from the masses every time he swung the doors open.

He was usually able to resist that urge, and in the summer, it was just too hot to be comfortable in the suit without advanced preparation and a cooling vest...but that morning, right after hopping out of bed, he was already relieved to feel the hanger in his hands.

"Hopefully you don't mind spending the day just kicking it on the couch, though...I'm not planning on doing a whole lot this weekend."

If the suit were able to answer, it would have been delighted just to know that its human owner was actually taking the time to talk to it and treat it like a real, living thing, but it hung limp on the wires; even in that state, it had a certain liveliness to it, but Sebastian wouldn't properly notice that fact until he bothered to step into the zipper on the back.

"Hope you don't mind me getting in naked, Teryx. Just didn't really feel like bothering with clothes today...I'm sure you can understand that."

The lack of clothes to start with were part of the reason for the chill, but if he didn't want to be relegated to wrapping up in a blanket all day long, Sebastian was going to have to go with the alternative...and he quite preferred it.

Just that first step into the leg of the full, one-piece suit was enough to garner a quick thrill, and energy surged within his body as he stepped into the other leg and pulled the fabric taut.

Seeing his skin disappear within those empty legs was always such a delight that he paused there, seeing the rest of his soft, pale skin with the top end of the costume hanging around his waist like a tied-off sweater. He let the torso hang that way as he stepped into the feet of the fursuit, loving the subtle, gradient contrast work that went into the darker blues around the toes and ankles, and even in separated pieces, the gradient looked_natural_ as it moved to lighter blues and the underbelly toward the inseam.

No matter how many times he was privy to that experience, Sebastian couldn't believe how lifelike the pattern appeared, but the illusion became truly complete when he lifted the abdomen toward himself and pushed his arms through the empty sleeves.

"There we go...like putting on a smock, right?" he asked himself, chuckling at his own joke. "But I'd never want to get anything on this...I don't think I'd ever forgive myself if a single drop of paint touched this one."

It wasn't just the money that mattered, but the connection that he felt with the suit; there was a joy that he only experienced when he could feel the embrace of the tight, fitted bodysuit hugging to his torso like a second skin, and only when he placed the head over his own and tugged up the zipper did he know that joy complete.

Putting on a suit with a zipper in the back wasn't an easy feat, and anyone who'd ever put on a fursuit by themselves could attest to the struggle of getting the zipper to move up their back without help from an outside source.

Sebastian should have been more worried when he felt the zipper traveling up his back on its own, but he was squirming around as he reached for it; he'd always heard that it was possible to shrug a zipper down his own body, so shrugging it the other way should have been possible.

The slow, constant path that the zipper took, however, was not naturally possible.

"Yeah...t-there we go...hell of a lot easier than reaching my arms around my back, anyway," he said, though he still attempted to do the same, thinking he'd need to guide the zipper up that last few inches of the slack.

He didn't have a proper understanding that something odd was going on until the zipper reached the apex of its own accord, before his fingertips could ever grip the hidden plastic.

"...Uhm...t-that's cool, I guess..."

Seeing the completed pattern of blue and the patch of brilliant white at the very edge of the neck, Sebastian was only missing one more piece of the puzzle: that final adornment was already staring at him from the top rack of the closet, settled on a dummy skull.

More than they ever had before, the golden pits of Teryx's eyes were peering into Sebastian's own, such that the young man wondered if he was developing an infatuation with his own fursuit. He wouldn't have been the first to do such a thing, and he'd heard of plenty of people that had a soft spot, or even a romantic interest in their own characters...but this was closer to a compulsion.

That same drive urged him into the closet without another word, and fingertips were careful about leaving the brilliant, intense mane of yellow intact as he lifted it from the dummy skull.

"Would be pretty cool to see the world as you do, even if it was just once," Sebastian whispered. His own eyes of soft, soothing brown and short, close-kept hair of black weren't bad things by any stretch, but he quietly longed to have such a wild and emphatic appearance, as his fursuit did.

Not having to dedicate to such changes was a matter of convenience that a fursuit could grant, but as a suit, Teryx wasn't content with those changes being so temporary, anymore.

He wasn't patient: without a word, he was pushing Sebastian along, urging the human to place the distinctive head of the dragon over his own, all under the guise of Sebastian's own thoughts.

Don't make me wait so long next time, Sebastian. I don't like to be kept waiting...

There were plenty of features about the storm dragon that made him a unique character: the sheath on the front end of the fursuit that would allow for Sebastian to have a realistic experience was the most prominent, and under the base of a thick, draconic tail, a strategically placed hole would make a much easier time for those who desired the immersion of actually bedding a dragon.

Perhaps the most prominent feature, however, was the _soul_of the dragon...imparting itself, little by little, on anyone who was bold enough to risk to the challenge of wearing him.

Only ever wearing me when you're cold...only ever using me when you're bored...I'm starting to think you don't properly appreciate me, Sebastian.

He was sure that the voice was just in the back of his head: that his imagination was getting the better of him.

Whether it was the lack of sleep the night before or the quiet, stagnant air of an empty household, Sebastian was having trouble convincing himself that the voice came from his own mind, and the fact that he couldn't control it wasn't doing his sanity any favors.

"I do appreciate you," he answered, thinking that, if the voice were coming from within his own mind, it wouldn't answer.

I don't think you do, it replied, but somehow, the words were inside his mind and outside of his control, speaking in a voice that he didn't recognize. In fact, I think I need to show you how much I appreciate you...so that you might properly appreciate me.

Immediately spooked by the suggestion, Sebastian lifted his fuzzy, covered hands to the neck of the suit, but as he pushed, he found that he couldn't budge the neck from his own chest, as though another seam had been sewn between the head of the fursuit and the body.

He didn't want to tear anything, but he knew there was nothing connecting the two pieces, before...and he couldn't begin to imagine what would have joined them in the last minute.

So quick to get out? You just put me on, Sebastian. Let's have a little fun for once...really make the most of our privacy, hm?

If he was being honest with the suit, that was just what Sebastian had in mind; the lack of clothing was no accident, but he couldn't help feeling nervous about going through with the act, now that he had an inkling that the suit was sentient.

That sentience, however, was pushy...and it wasn't giving Sebastian much of a choice in the matter.

What's wrong? You've jacked off before while wearing me...is it so wrong that I'm helping you along?

Sebastian tried to keep his wrists up by the head of the suit, but his own fingertips were roaming through the fake fur upon his chest and exploring the detailed, chiseled stomach of the fursuit, treating him to the myriad of sensations whether he was ready for them or not.

When he reached the sheath, he tried to keep his palm open and flat against the stomach of the suit, but his digits clutched around the warm, fake opening, massaging the tip of his cock through the fluff and guiding it through the exit with not only an impressive level of skill, but a certain sense of familiarity...as if Teryx retained the memories of every previous session they'd shared.

The fingertips were stroking just the way that Sebastian would have, if he was in control of his own body anymore...but Teryx was making it abundantly clear that he wanted to play; his digits knew just where to go, where to rub and with what level of intensity...

...And Sebastian realized that there were no secrets between them, any longer.

"Wait, y-you...you don't wanna do this!" Sebastian's mind was breaking as he came to terms with one part of a seemingly impossible reality, but that acceptance wasn't giving him anymore control, and it didn't give him the strength he needed to overcome the spirit of the storm dragon. "You, uh...y-you'll...you'll get all messy if you do that! I don't wanna get cum all over you!"

We both know that's a lie, Sebastian. You'd be delighted to have a load all over your stomach.

His connection with the dragon had reached such a level that, even in his own thoughts, Sebastian wasn't safe anymore.

His every fantasy, no matter how dark, was an open book to Teryx; Sebastian was lucky that the storm dragon was starting with something as timid as cumming on his own stomach, but he also knew better than to think that Teryx would stop there.

"But then I've g-gotta wash you, and I can't do that without t-taking you off, and..._fuckthisfeelssogood..._T-Teryx, you need to lemme out of here!"

Why? So you can go finish yourself off in the shower?_He asked, knowing full well what the human was planning to attempt. _Sometimes, a little extra pleasure is worth the extra effort...I'd be delighted to show you what I mean.

Normally, Sebastian would have had a great sense of control within the suit: it was designed with an extremely high amount of visibility, and the legs moved so naturally around his own body that walking, even with the natural shape of the legs and the clack of claws, felt little different than walking around in a pair of jeans.

To feel his legs moving all on their own, no matter how heavy he tried to make them...that would take some getting used to, and the short trip from the closet to the edge of his bed wasn't a long enough time to make that adjustment.

"Teryx, you...w-what are you doing back there?!"

The tail of the suit was made to be realistic to the character, and a thick base eventually gave way to the tapered tip, across an impressively long distance.

That distance became all too relevant to Sebastian when his legs kicked out, his rump hit the edge of the bed, and the slack of his tail moved up around his wrist, keeping his palm around the length of his cock no matter how he might have struggled...but it didn't stop there.

His own eyes gazed through Teryx's, taking in the sight of a tapered, realistic tail as it moved back down to the base; the tip was tickling against itself before it slipped into the artificial seam that acted as a tailhole, but just beyond that was the warm, eager pucker of Sebastian's true asshole.

"...You can't...b-be...serious..."

You've always wanted to try this, Sebastian...but you never bothered to ask me to do it. I would have been more than happy to spear that tight, little ass on my tail years ago.

Just trying to come to terms with the situation unfolding was a luxury that Sebastian wouldn't be allowed; Teryx was all out of patience, after spending so much of his time on a hanger in a closet.

If it was up to him, he was never going to be put away again, and as far as Sebastian could tell, that was going to be _exactly_the case.

"No, y-you...you don't...have to do that..."

The fibers around the ends of Sebastian's face were gripping his lips and cheeks as the suit expanded its sense of control: a head that was padded and fitted to be loose and comfortable was constricting the human host a little tighter with each passing second, and new seams were forming between the disjointed pieces of the fursuit, making it impossible for Sebastian to escape without literally destroying Teryx in the process.

The dragon knew his host a little too well, having learned that the human beneath cared too much about the suit to ever intentionally bring it to harm...even the precum that was leaking into the palm of the living costume was a point of guilt for Sebastian, but he was just as helpless to stop the flow as he was to ignore the pleasure that was building up within him.

A single, messy swipe of the tail tip through his plentiful juices may have seemed like a lot, but Teryx knew it wasn't enough for what was coming next.

I don't have to do any of this, but when you're leaking like that...enjoying yourself so much...what kind of a fursuit would I be if I let you stop now?

It was a ploy: Teryx knew Sebastian would open his mouth to reply, and just as the jaws of the fursuit head were pried open by the shifting lips, the tail shot up and plunged itself into Sebastian's throat, forcing his own precum over his tongue and giving him only one option, if he still wanted to breathe.

Go on, Sebastian. You've looked at my tail so many times before...all you have to do is keep that throat relaxed, and I'll do the rest...

It was the illusion of choice, at best.

Teryx wasn't going to stop there; Sebastian was utterly throbbing within the soft, fake sheath that wrapped around his flesh, and that was more than enough evidence for the storm dragon to take their fun to the next level, complete with a full, eager dip of that tail into a helpless, but silently eager throat.

When a sound of approval finally did arise, it was the gagging, sputtering effort of Sebastian, doing all that he could to keep the mess of his own spit contained...but he knew trails of the same were dribbling over his chin and staining his chest before the end of the tail snuck out of the fursuit head once more and slithered down toward his asshole again.

"W...wait...Teryx..."

We've both done more than enough waiting, Sebastian.

The greater volume of precum finally sprayed from the tip of his cock when Sebastian felt new, greater pressure against the opening of his ass, but there was genuine pleasure that came with the long-awaited penetration, much to his mingled surprise and delight.

For how quickly the tip of the tail expanded into a thick and satisfying shape, Sebastian took it with greater ease than he or Teryx expected...but even when the first strand of warm, messy cum sprayed across the bedspread and reached the floor, Teryx didn't give his host the chance to relax.

A fluttering of inner muscles allowed for a sudden jab and deeper, quicker thrusts to follow, and Sebastian, already locked in place by the waves of pleasure that overtook him, felt utterly powerless to stop his fursuit from controlling his every move.

Look at that! Just one thrust, and you're already spraying like a hose, the suit teased, dominating Sebastian's every thought along with his every move. Wonder what'll happen if I just keep going...?

The tail arched near the middle of itself and pumped in again, pushing out a series of quick, eager thrusts and keeping that rhythm, penetrating and spreading Sebastian with all the intensity of a mounting lover.

It was more than Sebastian could ever hope to handle...but the living suit was just getting started with him.

"Teryx, w-wait...I'm...c-cumming!" Sebastian groaned under the head, and with every word, his panting voice became weaker. Against the tightening fur and fiber, his lips were struggling to move, but there was no one nearby to hear his panic...or the way that his nerves were mingling with his growing bliss. "Fuck me...t-this is s-so weird...feels like I'm cumming again!"

The thrusting, driving depth of the end of the dragon's tail would prove more than enough to send Sebastian down the road to a whole day's worth of climaxes, so long as the human host still had something to give...and Teryx knew that he had plenty of stamina left.