Stallion Up

Story by Muse Scroll on SoFurry

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#4 of Suit Transformations

Having been a brony for quite some time, and not exactly feeling at home as a human, Matt's friends introduce him to a little store that can help. As it turns out, they do more than just costumes.


Bopping his head along the walkway as he listened to his music, the college student was more than happy to be heading back to where his friends usually hung out. That thought made his smile widen as he sped up a little. Card games - not on motorcyles - were waiting for him! He already had his hand going to remove his backpack in order to pull out his cards as he reached his destination.

"Hello," He said cheerfully. Then he blinked, before giving a couple of the people odd looks. "Uhh... Kitora?"

"Yeah?" Kitora said, looking up at him.

His friend sat down with a look on his face, "What the hell are you and Uken wearing?"

"What're you talking about, they're only wearing a t-shirt and jeans," Another friend cut in.

"What're you talking about?"

Kitora cut in, "Relax, it's fine. We'll talk to him later about it, after this game."

"Oh, you're just starting?"

"Yeah, jump on in, Mike," Uken grinned.

Mike was more than happy to comply. He cheerfully dropped his bag, grabbed a chair, shuffled his deck, and joined the game just before it started. It took almost two hours for it to finish, but when it did, Mike was left alone with Uken and Kitora. The latter of which had just taken out a slip of paper and was writing on it.

"Okay, seriously," Mike said, giving the two of them a look. "Where the hell did you get such awesome cosplay outfits?"

Kitora gave a knowing smirk, he loved getting that kind of reaction out of his friends, "We got 'em here. But be careful, they're easy to... grow attatched to."

"I'm sure they are, but seriously? You had to go for the herm suit?"

Uken gave him a look, "Oh come on, we know how much you like herms."

"I didn't say that I didn't like it, just wondering," Mike said, rolling his eyes as he packed his stuff. "Anyway, after that awesome game, I'm gonna head out."

"Wait, stop by this place if you can," Kitora said, holding out the slip of paper he'd been writing on. "Tell them we sent you."

Mike shrugged, and took the card as he headed out, his hand brushing against Kitora's as he said thanks. He froze at the top of the stairs, and turned to look at his two friends with wide eyes. Kitora just waved cheekily as he and his girlfriend headed out to one of the classrooms in the upstairs area. Mike watched as their tails twitched. Twitched. With wide eyes he slowly walked out to his car, already planning to visit the place the sheet of paper had an address for: The Costume Store.

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The door gave a little jingle as he stepped into it cautiously, calling out an equally wary greeting as he closed the door behind him. A woman, appearing to be in her thirties, walked out from the back with a smile and a name tag on her shirt labeling her as Jean.

"Hello!" She greeted with a smile, cheerfully shaking his hand as well. She took notice of his pale blue shirt. "You're a brony, huh? Cool."

"Thanks," Mike said after introducing himself. He showed Kitora's little slip of paper. "Anyway, a friend of mine sent me here. His name's Kitora."

"You mean the cute hermaphrodite Espeon?" Jean asked, as she headed over to the counter.

"Don't forget Uken, those two only split up for classes," Mike commented with a small smile, as he followed her to the counter in the center of the store. "Those two are really lucky to have each other."

"Yes they are," Jean agreed. "Now then, Kitora referenced you, probably to get a costume, right?"

"I was going to ask about those..." Mike said, eyeing the suits around him. "How did you make them so realistic?"

Jean's focus, having been split up, suddenly bore down upon him. He wondered if he'd said something wrong - before she grinned.

"How'd you notice? Or did they tell you? Nah, they probably didn't do that... did they?"

Mike had a confused look as he shook his head, "No, our hands made contact when he handed me that."

Jean just beamed, "Intriguing! So tell me, are you interested in a costume? Maybe one of a pony?"

"I'm not sure... would the pony be anthro like Kitora and Uken?"

"Would you rather it not be?"

"Kinda. I mean, I've seen some fan art, and I still prefer the ponies to be, well... ponies."

Jean gave an understanding nod, "And would I be correct in guessing that you'd be uncomfortable as a pre-made pony?"

"It wouldn't feel right," Mike shrugged. "You know, we're discussing this and I have no idea how much this will cost. I gotta be careful about this, I'm already low on game systems and items to sell for gas money."

Jean gave a smile, "You don't have to pay."

Mike gave her an incredulous look.

"Kitora and Uken have been great references so far, they've brought in a whole bunch of people. This one's on the house... just don't take advantage of it or I'll have to retract that offer."

"I wouldn't dare," Mike said, making a face. "I don't like watching classmates take advantage of a substitute teacher, why would I do that to you?"

Jean smiled, before asking him what kind of pony he'd like to become. Maybe a background pony? A fan-made? Or maybe one of the more important ones?

"Uhh... would it alright to be, well..." Mike wasn't sure how to say this.

"You want to be yourself, but as a pony?" Jean guessed. She giggled as he blushed and nodded. "That could certainly be arranged. I'd have to modify the ring, but that wouldn't difficult at all. I'm rather curious as to how you'll turn out. Though you'll probably be a blank."

Mike looked at her with a frown, "A blank? You mean no cutie mark? ...Ugh, that still doesn't sound right for guys to say. I think there was something on a fan-fic I read... stud stamp?"

Jean couldn't help her laugh, making him do the same. "I have to say, it certainly fits you stallions. Always prideful about your manhood and all that."

"I'm sure you're just as prideful for your feminine side."

There was a pause. "Touché. Anyway, yes, you won't have a mark."

"Why not? My interpretation of, well... myself as a pony has one."

"It's not really possible for one to know their true talent before they find it."

Mike gave a bit of a shrug, "I suppose that's true enough."

He watched her type a few things in to the computer, then decided to browse the store a bit. He had to admit, they had quite the variety when it came to choices. Most of them were about Pokémon, but he saw a few others that caught his attention. There was the basic dragon suits, basic wolf suits, styles like that. There even some from other video games and other fantasy series. Was that a Sangheili suit? Interesting, Mike knew someone who might be interested in that one.

"Hey, are you going for this today?" Jean asked, catching his attention.

"If it's alright with you," he nodded.

Jean smiled, and stepped out from behind the counter, "Well, we're ready. Just follow me."

Mike did as he was told and followed her to the back area, where she let him into one of the rooms back there. It was fairly simple, with its plush carpet and modest bed. It had a soft blue color scheme, something that helped to calm him down a bit. Well, considering that he was going to change forms, it was understandable that he was feeling rather anxious. It didn't help that someone had decided to sneak up on him and wrapped their arms around him from behind, making him jump a little.

"Mmm, something makes me think you'll make a cute stallion," A voice whispered rather sensually into his ear, sending a shiver down his spine.

"Who...?" Mike began, turning around to see who it was. "Wait..."

"No, you are not seeing things. And no, I was never a suit."

Mike's mind caught on immediantly, "So you're actually -"

"Yes."

"...Wow."

The Mew that was holding him close was wearing a rather sly smile, and it grew at the way he was amazed to see her - and she enjoyed making him freeze as she stole a kiss from him. After a few moments, he managed to pull away, looking rather shocked and unsure of how else he should feel.

"What was that for?" He asked. "Why did you -"

Mew gently shushed him as she explained, "I have to get into your mind and heart at their deepest levels to see what I need to turn you into. I could do it another way, but this method is the easiest and the most fun."

Mike blushed a little at the implication, "But... what exactly are you looking for? What do I have to do?"

"Just relax..."

The anthro Mew spoke very soothingly, gently laying Mike back against the bed, as she lay on top of him. His face was slowly turning red, and the legendary was rather enjoying the embarrassment he was showing. Clearly he was inexperienced in something like this, but that was easy to fix. She gently drew him into another kiss, this time bringing out her abilities. There weren't many who had come for something like this, but she still knew what to look for. She knew that the human would only notice the gentle caress as she delved deep into his mind, searching for the one thing that would tell her exactly how to transform him into what he wished for.

And she didn't pull back until she found it.

"Hmm, I was right, you do make a cute stallion," She commented once she pulled away.

Mike took a couple of breaths before speaking, "That's it?"

"It wasn't so bad, was it?"

"Not at all."

"How'd I taste?" Mew asked, taking a moment to affirm what her taste buds got from him. "Mm, you've got a sweet taste to you."

"I think I'm tasting a little bit of spice from you..."

Mew gave a small smile, "Oh, are you calling me saucy? You're a step ahead of me!"

"What do you -"

Matt was very easily silenced by another kiss, this one far more passionate than the last. He felt the legendary running her hands along his back, before -

"Hey, what're you -" Matt said, pulling away as she dipped her hands into his pants and grabbed his rockhard tool. "Ohh..."

"Mmm, enjoying this, are we?" Mew murred sensually. "In order for the changes to happen, you're going to have to go all the way with me."

"A-All the way?" He was rather nervous about the idea, considering his status as a virgin and all.

"Shh..." She comforted, as she leaned back and removed everything from his waist down. "It won't hurt... well, you might want to remove your shirt, I'd rather not chance the fabric hurting you."

Matt was stunned. He walks into a costume store, is given the chance to change into a pony version of himself, and now he's getting a one-night stand? He numbly removed the remains of his clothes, blushing deeply as the Pokémon stroked his length, making it almost painfully hard. Moaning quietly as the pleasure seeped through him, Matt could feel something familiar, something special stirring somewhere deep in his mind.

"Oh, he's already stirring, is he?" Mew murred as she watched the human moan from the way she was pleasuring him. "Shouldn't take long... but you better be ready to ride me, cutie."

Matt didn't respond - something about his cock starting to feel better about the stroking had his attention. Mew purred as she watched the length start to take the proper style for a stallion. Although it was certainly smaller than what a full horse's length was, it was still formidable, growing to a nice ten inches, thickening to about two, forcing his testicles and seed to change as well. The preputual ring in the middle was incredibly sensitive, and rubbing against it made his length throb and drip equine precum. The foreskin had pulled back, attatching at the base of the member to form a sheath during inactive times.

"Oh, what beautiful fur," The Pokémon complimented, as the orange fur from around the changing human's sheath spread rapidly. "Mmm, something tells me you're ready for the next step. I know I am."

The male was forced onto his stomach, before the legendary carefully made him line up with her moist hole. Then Matt was awash in more pleasure than he'd ever experienced!

"Ah! M-Mew... t-this is..." He moaned out, as she gently pushed him deeper in. It was at this point that the golden-orange fur had finished covering him, and the next changes were starting.

"Shh," She murmured. "Just go with it. Relax."

Matt decided to take her advice, and allowed his instincts to take over gradually. She let him start pushing in deeper, her moans growing louder with each inch that pushed into her - until finally the entire thing was inside. The flat head of his changed cock felt incredible pressed against her cervix, especially as it soaked her insides with his pre.

"Mmrrrr... t-that's a... a good cock you have there..." Mew murrs, as she watches the changes advance. "L-Love the mane, b-by the way..."

The hair atop Matt's head was spreading backwards and down his neck, opting to spike backwards as well. It had changed colors at the same time. It became short, spiky, and messy, and the colors were two different shades of red. At least, that's what he saw in the mirror hanging above the bed. He hadn't noticed earlier, but his eyes had changed as well, to be more like a pony's - large and colored a bright green. His ears had adjusted as well. He attributed his failure to notice this to the sex.

As Matt started to gently pound against the legendary - whom moaned quite happily at the treatment - he found himself changing quite rapidly. First was the form in which he would stand, and as he was forced to become a quadriped, Mew made him pause and pull out all the way. She didn't let him back in until she was on her stomach, and was quite happy to be mounted from behind in such a way.

Among the moans and groans of passion, Matt could feel his spine stretching a short distance out his rear, as a small tail appeared. It was the same colors of his mane, bright and dark red. Also like his spiky mane, his tail was a mess, the lighter color was on the outside, and it looked and felt awesome. Then came the change in his skeletal figure, everything else physical changing as well.

"Nnng..." Matt groaned as his knees reversed, his back popping to accommodate and force him to remain on all fours. Although the modified pony anatomy would allow him to be on two for short periods of time, with practice.

"Ohh, n-nice hooves..." Mew compliments through her mewls of pleasure, as that wonderful cock ravashed her cunt.

She may have liked them, but it felt weird for his hands and feet to meld together like that. Although he did like the way they turned out. The orange fur for the rest of his body stopped short at the tips of his new hooves, all of which were tinted a deep black. The last change was right in between his eyes, right in front of his mane.

"Ah...!" Matt groaned, his eyes shuttering shut at the insane amount of pleasure on his head.

Mew moaned, liking the way the male's thrusts increased in power and speed at this, she peeled open an eye to watch in the mirror. It was rather enjoyable to see the look on his face as a horn started to push out of his forehead, stopping a few short inches above his head. It was at that very moment that his powerful equine cock erupted.

"Oh, Arceus!" Mew cried, feeling the powerful jets fill her.

Matt didn't get a word out, his eyes were rolling into his head at the all of the pleasure. There was something leaking out of the horn on his head because of it, but he was too distracted to either care or notice. Especially since his instincts were making him hump the Pokémon a couple more times, in hopes of getting as much of his seed in her as possible. At last, the newly-made stallion was spent and took a moment to shlurp his cock out of her, before collapsing beside her with exhaustion.

"How was... mmm... your first time, cutie?" Mew asks, kissing him gently.

Matt paused to catch his breath, "Incredible."

"You've got something on your horn, though. Looks to me like you aren't quite done."

The stallion looks up at his horn - momentarily amazed that he could do that at the same time - and sees that she was right. An orange-colored jelly-like substance was dribbling out of the tip of his new unicorn horn. Mew decided at that moment to lick it up, and it makes Matt moan softly.

"Oh? Does that feel good?" She asks.

"It feels awesome."

Mew giggles, "That's because it's connected directly to your brain, my dear. Direct contact with it, depending on the contact, can be either painful or pleasurable. When it's the latter..."

Matt gasps as she plunges the whole thing in her mouth. It makes his cock twitch in excitement, as she bobs up and down on it. In no time at all, he lets out a small whinny of pleasure as both horns give everything they've got. The legendary takes a moment to swallow what she was able to get in her mouth, but quite a bit ends up sliding down the stallion's face.

"...You magiculate," She finished. Then she noticed his twitching length as it spurted seed on the bed. "...Or in the case of right after sex, you ejaculate, too. Your magic tastes something like orange jam, by the way."

Matt was barely able to nod; he was clearly still trying to get over the feelings that were difficult to describe even in his own mind. After several minutes of recovering - which was helped along as Mew gently ran a hand through his fur - he was coherent enough to actually speak, as he looked in the mirror. His length was slowly retreating, so he had time to give it a glance, as well. Mew giggled at this, making him blush.

"Enjoying the view, cutie?" She teased.

His blush deepened, "I just didn't expect it to become a dark orange like that."

"Stallions always have cocks that are rather odd colors," Mew shrugged. "I know some that have brown fur coats and a black penis with pink dots."

"...You say that like you let them ride you."

"I didn't let them ride me... I rode them."

"...That only makes me want to see that."

"Take it easy there, pretty boy," Mew giggles. "I'm still getting over your riding. You were pretty good for your first time, I have to say."

Matt's face turns red, "Thanks."

"I mean it, Matt, you did great! Especially for your first time. Alright, you all calmed down now?"

"Aside from this mess on my face... wait, how am I supposed to do magic? I have no clue how to do magic!"

"First, when you leave the room, it'll clean you with a little bit of magic. As for your magic... Jean will explain everything."

Matt gave a nod, before carefully getting off the bed. He raised an eyebrow at how easy it as to get accustomed to the walk-on-all-fours thing. Mew opened the door for him - he shivered at the odd cleaning sensation - and led him back to the main room, where Jean grinned at how he looked - as did two others.

"Kitora! Uken!" Matt exclaimed, eyes going a bit wide as he blushed. "Uhh... w-what're you doing here?"

Kitora grinned, "Jean said someone had to come pick you up."

"And look at you now," Uken teased. "Our little redhead!"

Matt swatted away Uken's hand with a roll of his eyes, "Keep away from me, weirdo. Anyway, I had some questions for you..."

"Is it about the magic?"

He nodded.

"Well... let me start with what was seen in your mind..."

Jean explained shortly that it had to do with his current form having been locked away in his mind, hidden beneath the memories of his life, feelings and all. Everyone has a creature locked this way in them; and when his was brought out like this, the knowledge of magic came with it. The creature that represented his pony self already knew how to do magic, so now it was just a matter of him getting used to knowing the spells.

"Here, try to levitate this," Jean said, gesturing to a large ring on the counter. "And put it on your leg."

Matt frowned a bit as he focused. Unbidden, he felt something in him surge forward, and with a golden-orange glow, the large ring started to hover. Then it zoomed over to him, and with ease, he slipped it onto his leg. Then, he dropped the spell, and he could feel his inner magic slip back to where it was held.

"That was easy."

"Dude," Kitora said, eyes a bit wide. "That. Was. Awesome."

"I'm gonna have to agree with him on this one," Uken said. "We have some Pokémon abilities, but we can't do anything of that extent."

"Just proves I'm awesome!" Matt grins, making those around him grin. "But what's the ring for, anyway?"

"Remember how everyone upstairs said we were only wearing jeans and a plain shirt?" Uken asked, getting a nod. "These rings make it so that anyone that isn't worthy to be changed by the costumes - or changed in general, in your case - only see what we were before the changes."

"So... everyone upstairs will just see me as Matt the human?"

"Pretty much," Jean nodded. "Although I don't think 'Matt' works for you anymore. What did you say you loved to do?"

"Write!" Matt exclaimed happily, grinning. "I absolutely love to write! Writing stories is practically my life."

"Then... well, I'm stumped."

"Muse Scroll," Kitora said simply with a shrug. The rest of them look at him.

Matt smiles as he feels something in him stir happily at the name, "I like it. I hadn't named my ponysona yet, but that's perfect!"

"Glad to hear it!" Jean exclaims happily. "But I'm closing shop soon. You have your car keys?"

"Uh, they're in the back..."

Jean nods, and after minute, returns with his clothes. Kitora will be giving him a ride, while Uken drives his car. Which he won't be able to drive anymore, but he's fine with it.

"Would you like to live with us?" Kitora asks, before the cars start up.

"What?" Matt - no, Muse, he's still gotta get used to that. "Really?"

"Yeah. A bunch of us, all of us that have been changed, have pooled together and gotten a house that fits us all. Wanna join?"

"Uh... if it's alright with the rest of them."

"We already discussed it, and they said they'd be happy to have you with us. We'll take a few days to move your stuff over."

"Wow, thanks, man. It was getting lonely in those dorms."

Kitora grinned, as he got in the car. He watches in mild awe as Muse hops into the passenger seat, opening the door with apparent ease through magic.

"That magic must be pretty handy since you don't have hands anymore," He commented as he started up the car.

"Yeah, but I still have to get used to it. It's all by instinct right now, which feels odd."

"I can understand that."

The ride is rather pleasant, Matt - no, wait, Muse - and Kitora chatting amiably as they head across town. When they arrive, the pony is rather impressed by the place that Kitora and Uken has managed to snag with their friends.

"How many others are there?" Muse asks his friend as they head to the front door.

"Last count, three others. A Glaceon, Leafeon, and a Pidgeot."

As soon as they enter, said Glaceon looks over and grins, "This our new arrival?"

"Yup!" Uken smiled. "Matt from college. Though he'll go by Muse Scroll as a pony."

"Glen," The Glaceon greeted as she held out her fist, which Muse bumped with a grin. "Better be ready for the excitement tonight, stallion."

Muse raises an eyebrow in confusion, his ear flicking back at Uken locking the door behind them as they walk into the living room. Once there, two others enter. Both naked. This very thing makes the stallion blush.

"Oh, now this is a cute one," The Pidgeot murrs as she gently draws Muse over to the large couch. "What's your name? I heard that you changed it to fit your pony form."

"Uhh... Muse. Muse Scroll."

"You write?"

Muse grins, "A lot."

"Hmm, not bad," She murmurs. "I'm Janette... and I have to wonder, do stallions really have as nice of cocks as everyone says?"

The stallions gives a sly smirk, "You'll have to be the judge of that."

Janette returns the smirk, as she lays him on top of her, laying down on the couch as she does so. In that moment, she brings him into a soft, passionate kiss, letting their tongues intermingle. Once they pull back, there seems to be a small audience consisting of... the others.

"Your horn glowing for a reason, stud?" The Leafeon asked. "I'm Leon, by the way."

"Uh..." Muse scrambles for a way to explain it, before slyly smirking. "Why don't you find out yourself?"

"I'd be happy to do that," Glen cuts in, gently giving it a lick, making the unicorn's blush turn crimson as he gives a small moan. "Wow, is it really that sensitive?"

"More than you think..."

Janette grabs the stallion and makes him kiss her again, while Glen goes to town on his horn. All the attention is making him hard and eager for some fun, which the Pidgeot is more than happy to accept as he slowly pushes into her. At the same time, the others are having their own fun, but Glen pulls away from his forehead with a bit of confusion.

"Is it supposed to dribble like that?" She asks.

It takes the pony a minute to make a coherent response; Janette's avian cunt is intensely hot and powerful against his thick member, while her length is pleasurably rubbing his stomach.

"J-Just... keep playing with it like that," He finally mumbles. Glen decides to do so, and goes back to sucking on the horn, making him moan.

Janette, not one to be left out, urges him to satisfy her nethers, something which Muse happily does. All of the stimuli - especially the one going straight to his brain - soon proves to be too much for him. The first thing that happens is his horn erupts in another magiculation, shocking Glen as she is caught off-guard by the sudden influx of orange jam flavored magic. Not that it tasted bad, she was just surprised; the other three had paused and were watching with curiosity themselves. In the meantime, the Pidgeot moaned with the stallion as he finally gave her cunt what it wanted - a full load of equine seed. After several moments, both ladies pulled away from him, letting Muse slump against the couch in a sex-induced daze.

Glen takes a moment to swallow the surprisingly large amount of jelly-like magic, "What was that? Some sort of cum for your horn?"

"Pretty much," Muse says after gathering his wits again. "The one who helped me change called it magiculation."

"Good name for it... so basically, treated right in sex, you've got two things ready to blow?"

"'Cept this one's got a direct connection to my brain."

"Wow, that must feel really good," Uken cut in.

"You have no idea..."

"Other than that, how was he, Janette?"

Janette murred happily, "That cock is good. You'd like it."

Muse gave a lewd grin, "Well, business over here is still open."

The others gave a laugh, and Kitora moved over, saying that he hoped it was - because he wanted a good mounting. Turning around and bending over, the Espeon happily presented himself. The stallionhood had yet to fully sheath itself, so it was easy for it to become hard and ready again. Muse did his best to ignore the slight dribble going down his horn, despite Glen's best efforts to clean it.

However, right after mounting and going into Kitora - whom immediantly announced that Janette was right - Muse's eyes went wide as a rather new sensation came over his horn. Looking up from where his head was by his mount's, he saw Uken starting to ride it. With a strangled groan from the pleasure, the pony lost himself to his instincts as he had his way with the cunt he was in. At the same time, the Dragonair was humping his head, and the intense warmth of an actual cunt on his horn was ridiculously intense. It took almost no time at all for said body part to release its load again, making Uken murr at the pleasing sensation, even as she soaked the stallion's forehead with her fluids. It took another minute, but the Espeon was soon filled with the potent seed, to both participants delight.

"D-Damn..." Kitora panted out from under Muse. "I could feel that pleasure of yours. That was pretty intense."

Muse had yet to become coherent again.

"I think we broke him," Leon said, from where Glen and Janette had finished playing with him for now.

The pony nodded a little, making them chuckle a bit. After a while, it was decided for everyone to split up for the evening. Janette brought Muse into her bedroom, where they would share a bed. There, the Pidgeot easily convinced the stallion to ride her again, making them both happy, before they finally fell asleep still connected to each other.

As he fell asleep, Muse Scroll only had one thought: he was very, very happy with this turn in his life...