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An Unmistakable Mistake

for Kotakun

by Draconicon

All of Kieros's friends believed in demons, or at least, they believed in the mythology of them. They believed that the demons would come when their names were said three times, or when one set up a circle of candles and started the proper ritual. Hell, some of her friends believed that they would come if you were in bed touching yourself at the wrong time. Those ones were mostly perverts, though, and she felt like they were just trying to make things sexy for themselves.

The others, however, were downright convinced that there was every possibility of summoning demons if you did the wrong thing. Kieros, with her belief that there was no such thing as demons and the annoyance that her friends kept talking about them to the exclusion of all else, finally gave in and told them that she would prove them all wrong.

Over the course of a day, the young woman went across town, hitting up every store that had the stuff she needed. From one, she bought a book of demon names. From another, she bought five black candles. From yet another, she bought salts. Lots and lots of salt, to the point where the storekeeper wondered if she might need to call a cardiologist.

So it went from store to store, each one giving her something new to cross off her list. It took most of the morning and the entirety of the afternoon, leaving her getting back to her apartment just as the sun was starting to go down. She had texts from her friends telling her to wait until tomorrow, to do it when the sun was highest in the sky, but she had no time for that. If there was a good time to summon demons, then it was right after the sun went down, when they were waking up and eager to come for someone's call, not during the middle of the day when it would be akin to ringing someone up to come in to work at midnight.

She laid out the candles, drew a couple of circles with the salt, and started flipping through the book of demonic names. Her phone continued to buzz at her, giving her one reminder after another that her friends were out there, swearing that she was going to get possessed if she wasn't careful. Kieros rolled her eyes, the Notail - what was once known as a human before the Equality Act - shaking her head and flipping through the book.

Eventually, she was forced to silence the damn thing, putting it down and turning off the notification volume so that she could focus. Every beep was one more thing that was trying to drive her up the wall, and much as she didn't believe that this would actually work, she wanted to be careful in case it did.

She was a smart girl, after all. No need to be insane about this.

Finally, after going through four cups of coffee to keep herself awake, she settled on one of the names towards the middle of the book. Something relatively mild, kinda amusing sounding, too. Some demon that was the patron demon of a good lay. She thought that sounded rather fun, and it was something she was pretty sure she could handle if it turned out to be real.

Heh...probably something I could use, too, she thought, and then blushed as soon as the thought passed her mind. Gah, don't start thinking about thaaaaaat.

She shook her head, kneeling down by the circle of candles. She ran her fingers up and down the sides of the black shafts, tapping a lighter to the tips of each one until they were lit. Taking a deep breath and letting it out again, she pressed her hands to her knees and began the ritual.

"In this circle of power, I call for you. In this place of darkness, I speak your name. Come as you are called, oh demon of power. Come when I say..." Kieros leaned over the book again. "Malshak. Malshak. Malshak."

The name echoed...perhaps a little more than it should have, but then again, she didn't do a lot of talking in her apartment. She lived by herself, after all, so there wasn't a lot of need for that. She cocked her head to one side, and then the other, waiting for any sign of someone coming.

When the candles didn't flicker, when no flame burned in the middle of the circle, when literally nothing happened, she shrugged. Leaning forward, she blew out the five candles and then picked up her phone.

"Absolute rubbish, guys. I'm going to bed."

The texts came fast and furious, insisting that she must have done something wrong, that there must be something that she had forgotten if the test hadn't worked. Kieros sighed, turning it off again to make sure that they didn't ruin her night. She had tried it exactly the way that they had suggested it, and if it hadn't worked this time, she doubted that it would work a second time. Demons just didn't exist, and it was time that her friends grew up and realized that once and for all.

Making her way from her living room to her bed, she stripped down to her panties and a bra. Neither was particularly fresh, she admitted, but that was part of running around all day. She promised herself that she would take a shower in the morning to get rid of the grime, and then got into bed. The feeling of the sheets against her back and side was lovely, and she closed her eyes to happy, blissful sleep.

The morning came with both the usual surge of need-feeling and a strange sense of fullness to go with it. Kieros didn't really pay much attention to the sensation, all things considered. She had other concerns, and the first one was getting her ass into the shower so that she could feel a bit better after the failed summoning last night. She was sweatier than she remembered being for a long time, and she wanted to get rid of that feeling ASAP.

She crawled out of bed, feeling like the blanket was stuck between her thighs for some reason, almost like someone rubbing her leg. After fumbling and getting no result in getting it to go away, she gave up and got up. It disappeared, so it must have been her imagination or something.

Yawning, she made her way to the shower, pulled the curtain open, and then set the hot water to running. She felt off, like something wasn't fitting right. Her panties felt wrong, and she honestly worried that she'd need to go up a size or something. Maybe even several sizes, with the way that it was starting to sink between the cheeks. Her bra didn't feel right either, and she grumbled.

"Not another fitting," she sleep-slurred, feeling the water as it got hotter and hotter. "Ugh...think of that later..."

As soon as the water was hot enough, she pulled off her bra and panties, throwing them over her shoulder. For a moment, she swore she felt something against her thigh again, this time lower than before, and she half-worried that she was starting to imagine things, or that she was in the middle of some dream. She tried to put it aside, but -

She stepped into the shower, and realized two things almost immediately. The first was that the water felt off to her chest, almost...almost like she'd gone numb from shoulders to stomach. She didn't feel it as strongly as usual, and that couldn't be right.

The second was that there was something very sensitive hanging further down than usual, and it hated the hot water.

"AIYI!"

She jumped backwards, almost pulling the shower curtains off the rod as she did. Stumbling around, she braced herself for the pain that would come with her breasts bouncing, but there wasn't any. At least, nothing like what happened without support normally. Kieros panted, slowly looking down at herself.

For the first time since she'd woken up, she realized that things were different. Her breasts had lost a significant amount of size, down to the point where they weren't even a handful any longer. She hustled to the bathroom mirror, standing in front of it and staring at herself.

"Oh...my...god..."

Her mouth hung open as she saw that her chest had shrunk in tremendously compared to what she was used to. No wonder her bra had been fitting so badly; she'd barely had anything to stuff in it. And her nipples? Not the bigger points that they had been, but shrinking in to something modest, small...and male.

No way...no way is this...

Kieros leaned back slightly, looking down. The bar of the bathroom sink had managed to block everything below the waist, but as soon as she moved back -

SPROING.

Something popped up. Her mouth hung open as she stared at the fleshy dick that had somehow come up during the night, something that most definitely didn't belong there, and most definitely needed to go somewhere else. As she stepped back, she noticed that she didn't have balls just yet, which was something, but she did have a shrinking pussy. It was pulling shut now that she was paying attention, and...and her dick was still growing.

She knew that it couldn't have been more than three inches hanging down when she stepped into the shower, but now? Now, it had to be four, and it was starting to stretch towards something bigger still. Her cheeks burned hotter as she realized that it was going to keep growing, more than likely, and -

Something in her hair caught her attention. Kieros leaned in close, staring at her hair as she pressed down on it from the side. As she pulled it flat, two horn tips poked through her hair, making themselves that much more obvious.

"Holy shit..."

As soon as the word 'holy' left her lips, she felt something like a sting of discomfort running through her. That, combined with the horns, confirmed it to her. Demons were real, and something had happened last night to put a little demon in her.

Oh fuck...

She took a step back, unable to help closing her legs as she felt her pussy sealing shut that little bit more. She reached down, touching it, feeling that there was barely enough to fit a finger in down there, and even that was rapidly closing. Trying to show a finger inside did nothing for her. It squeezed the digit until it was forced back out, and when she tried to get it back in, all she felt was smooth flesh.

Well, momentarily smooth. It didn't take long before something else was slowly pushing down and out. Her cheeks burned as she realized that she was groping the area where balls were supposed to come in, and she yanked her hand away...but not before something else caught her attention.

She had only seen it for a half-second as she looked in the mirror, but this time, she looked longer as she slowly turned to the side. There, at the base of her spine, was the start of a tail. Not a long, bushy thing like one might have found on a dog or a fox, but something shorter, thinner, with a bit of fluff to it. Something -

She reached up to her hair again, touching the horns. They were slightly larger, and had a familiar texture. The Notail shivered.

Goat.

There was no more pretending. She had a tail, she had horns, and she was starting to get a dick. Her breasts were gradually disappearing, and the more that she stared at herself, the more that she realized that her balls were getting more and more obvious. It was...weird, but almost pleasurable at the same time.

I'm turning...turning into some kind of goat demon...

She wanted to scare herself with that statement, but all she did was turn herself on. A shiver ran down her spine the moment she thought it, and her eyes closed tight as she felt her cock jump. There was a tingle from that, too, something that ran through her and made her thrust her hips forward, almost like her dick was taking control. The pleasure that came from that - as well as the sudden growth afterward - left her breathless as her cock flopped over the edge of the sink, starting to ooze slime down through the tip.

Fuck...fuck...

She pressed her hand to her chest, and she realized that her breasts had completely disappeared. Her nipples were still there, standing out, but they were no longer the sensitive buttons that they had been when she had been female. They were just...kinda there.

Fuck...fuck...

Desperate for a distraction, Kieros left the bathroom. She grabbed a towel, wrapping it around her waist, but her stubborn new dick pushed through the front, poking out for attention. She ignored it, going to her phone back in the bedroom.

As soon as she opened it, though, something different from the dozens of text messages waiting for her popped in, and she was instantly distracted. It was nothing, really, just the picture of one of the anthro friends that she had been talking with. A guy, a stallion, as a matter of fact. Nothing but a face-pic there, something to identify him from all the other messages that had been coming in, but...but...

Fuck, you'd look good with your mouth wrapped around my cock...

Kieros groaned, her cock throbbing up, a little twitching going on, her tail flicking slightly as she imagined what she'd do if she had him in the room. Pull him down, show off her growing cock, give him a good look at it...

Mmmph...wonder if a blowjob feels as good as getting eaten out...

And then there was that thought, one that grabbed her and refused to let her go. Her eyes went wide, her stomach felt like it was dropping out from under her, and her cock - now reaching a total of seven inches long - throbbed up and almost seemed to tap the back of her hand, as if it was a dog begging for attention. She absently let go of her phone, putting it down and grabbing her dick -

"Oh!"

And almost instantly found out how good it felt to touch herself that way. Not to mention how very easy it was.

As her hand flew up and down her cock, she could feel the rest of her body shifting. Her hips had lost almost all of their curves, and while her ass still had a slight heft to it, it was more through a lean muscle rather than through the comfortable fat padding like before. She gripped her cock tighter, holding it and stroking it as she looked down at the stallion picture.

"Fuck...I could fuck you..."

There was something about the cock, about the transformation, about everything that was happening to her that felt like it was giving her a different sense of agency, something that she could love and enjoy in an entirely different way to her old life. She had a cock now, and for some reason, that gave her a sense of confidence, a sense of power, a sense of being able to -

Fuck. It gave her the feeling of being able to fuck.

She groaned, the horns parting her hair properly, her tail twitching, her toes clenching together. She didn't know how far this transformation would go, but one thing was for sure. She was no longer quite a 'she' anymore, and she could feel the little bubbles of power under the surface, the tingles of some kind of...well, magic, for lack of a better word.

Guess I'm a believer now...

Sitting on the foot of her bed, she looked at her phone. It was...odd, really, just how hungry she had become, and how the shock was fading the longer that she stroked her cock. Maybe it was the lust, maybe it was the thought of finally be able to get some of her own back rather than listening to the bullshit all the time. Hell, if she was a demon, she probably had some power, right?

Wonder how I'd look in -

She didn't even have a chance to finish the thought before black goo bubbled almost out of her skin, forming into latex pants running up and down her legs, and finishing up as a latex sleeve around her cock. She stared at it, feeling almost like she was watching something out of a porno, and the more that she stared, the more that a giggle started rising up in the back of her throat, a giggle that threatened to come rushing out and take over.

Oh, gods, she had power, alright. No, no, he had power. Was there any point of Kieros thinking of herself as a girl anymore, as that smart-alek that went along and listened to everything, only to prove them wrong in the most bookish sort of way? Why the hell would he even want to stay like that? Why woudl he want to think of himself like that when he could be so much more?

He nearly growled as he gripped his cock, feeling the goat features coming to a slow end. His legs were hot and furry under the latex pants, and his face had grown something of a goatee, but he was somewhere between a goat and a Notail. Probably something like a satyr or something like that. Yeah, that was about right.

Felt hot, too.

As he groped and stroked his cock through the latex sleeve again, gritting his teeth at every pulse of pleasure that followed. It was somehow more sensitive than it was before, spreading more pleasure through him than he expected. Despite sitting down on the edge of his bed, he was soon humping his hand, then fucking his fist, stroking himself faster than he had any right to want to.

"Nnngh...mmmph..."

Fantasies were dancing through his head. So he was a satyr of sorts, an incubus that had taken over for a Notail. That was going to take some explaining but -

Well, fuck the explaining. What he wanted was ass. What he wanted was a mouth around his cock. Were there guys, girls, whatever that might not be interested in that? Fuck that. He would find a way to make them interested. That was what sex demons did, right? They found ways to turn people on, get around the barriers that they had against that sort of action, make sure that -

"Ah...ah...mmmph!"

And without warning, he came. The tip of the latex around his cock swelled, ballooning with the fresh, first seed of an incubus, and Kieros felt something...click. Almost like there might have been a way out of what had happened to him if he had been able to resist that lust, but with that little ending, there was no chance in hell. He groaned under his breath, huffing through his nose, feeling the sheer hunger for more.

One wasn't enough. He needed dozens of orgasms, and thankfully, he had plenty of people that were willing to come over. They would want to see just what had happened. All those believers in demons, all those that had been so sure that he had fucked up, that he had done something wrong, would be able to see that he had done it right.

It was just that the results were nothing anyone could have expected.

Kieros chuckled as he allowed the latex to fade from his cock, seed running down the shaft. Oh, he was going to have so much fun with this. And all of it bare, too.

The End

Summary: Kieros has been listening to the bullshit that's been spouted by her friends for some time. Time to prove them wrong about whether demons exist.

Tags: F/solo, M/solo, transformation, gender shifting, f to m, cock growth, masturbation, corruption, mental transformation, horny, masturbation, orgasm, latex, cum,