Stay chaste in your enchanted clothing.

You are sorely tempted to take Sally's offer to transform into a thotty trap, but you suspect the teeth would be sprung on you. It might make her suspicious, but she won't be able to prove you aren't just a repressed prude or some kind of UGH straight monster girl if you keep your clothes on all the time. You take a deep breathe and stifle a sob as you say, "Sorry. You are super cute and I would love to play with you, but I am an volcellarix Major. I have to be horny and pent up all the time to reach true upper mastery of the magiks."

Sally looks at you like you just said the saddest and most baffling thing anyone has ever said. She puts her hand on her hip and stares at you cynically, as if you're just as transparent as she is. Finally she shoots you a friendly smile and asks, "But why have power when you can have sex instead? Like the only reason people want power is to get laid. But if that's your truth. You go girl." Sally doesn't sound very enthusiastic in her support, and you think you detect a note of suspicion. Still, she doesn't push the subject and continues to make idle chit chat and give you a brief, basic layout of the school.

"So, it's all kinds of against the rules for anyone to force themselves on you, so you should be fine with your weird chastity fetish...I mean your totally valid belief system." Sally rolls her eyes, and her hips with them, your tail is thrashing against your protective panties, but you know it can't break free unless they're peeled off of you. Your slime slut roomie seems to be trying to get you to do so voluntarily, constantly showing off her curves by stretching so her ass and breasts are visible in one pose like a Liefeld drawing, bending over to pick up her apparently very difficult to hold onto pencil, and dirty dancing all over the dorm. It drives you crazy, but you play it as cool as a cucumber, your enchanted outfit creating the illusion of a fair skinned, fire haired human that doesn't ever sweat.

The inside, of course, tells a different 'tail' as your aroused appendage drools dumbly in your panties and your nipples aches needily, and your tucked tool throbs with desire. This should be a dream come true, a sexy slime girl with a thing for gender bending and a very, veeeeery friendly attitude, but instead it's a living nightmare of your own making. You start to question if you might as well become a volcellatrix at this rate anyway. Your only other option is to go full suckubus, and you have just as many fears of that as you do of being discovered. For now, you decide to do your best to get along with Sally and to try and figure the rest out after you have taken enough classes to get full control of your powers so you have options that don't all have to be permanent.

You make it through the rest of the afternoon without incident, and you spend your evening poring over the ancient student manual which is so dense and full of revisions that you feel like the more you read, the less you understand. Still, it gives you the excuse you need to ignore Sally's yoga exercises followed by her 'practice' molding herself into all sort of shapely sluts. You finally call it quits around late evening, fine with Sally thinking you're a book worm nerd too scared to have sex if it means she doesn't find out the reason why you're so scared. You pretend not to hear her snicker as you climb under your covers with your clothes on, and even with all your dread and doubt, you fall asleep in minutes, and you fall hard...

.....

In your dreams you are lying on your bottom bunk tossing and turning and when you feel a soft weight spreading over you. You try to muffle your moan, but it escapes from your plump, panting lips as Sally slides all over you, peeling your clothes off layer by layer and silencing your insincere objections with a kiss. Thanks to the unique physiology of slimes, you can literally taste her desire on her tongue as it wraps around yours, and she can taste yours. It creates a fiery feedback loop that uses your own supernatural pheromones against you.

Not that you are worried about it. In your dreams you are always wild and wanton, completely fearless, no matter how overpowering and dominant your partner is. In fact, in your filthiest fantasies, the more they control and corrupt you, the freer you feel. You let Sally strip you completely naked, blushing as she breaks your kiss to squeal, "EEEE! You ARE a cute little incuboi sneaking into a girl's school! Is this why you were so shy, sweetie? Don't worry. I can help you get rid of that pesky thing and give you a pretty pussy for me to play with."

Your mind reels as Sally not only doesn't seem to mind your deception, she's actually excited about it! You have had dreams like this before of course, because who doesn't regularly dream of being feminized? There is something that feels different about this time...more vivid...more tactile...more tempting. Normally in a dream, you'd be getting filled and fondled all over by this sublime slime girl, but something is making you hesitate. Her body feels so good against yours, like getting tiny little hickeys wherever her slime touches. You feel her fingers find your hungry hole and tease it tantilizingly. You know with her help you could complete the transformation easily, so why are you so unsure all of a sudden? It's just a dream...