Prompts:
I want to grope Vinyl through her leggings.
 
https://derpibooru.org/1511380
>tfw she can't even scream because she has no voice 
 
>Gif shows her just accepting it in the end
Muh 
 
Green:
>It all started with you ‘innocently’ rubbing one of her purple thighs under her skirt to see what she would do.
>Not much as it turned out, she didn’t even tell you off, only giving you a strange look as she pushed your hand away.
>The next time was more brazen, feeling up her legs to her panties to feel the heat coming off of her nethers.
>You had locked eye contact with her this time and she seemed too stunned to do anything at all.
>Escalating further, you cornered her after a class you two had and immediately reached between her legs to grab at her mound.
>After giving it a teasing rub and squeeze, your hand came back damp.
>You showed your sticky fingers to her, which she looked away from in embarrassment.
>Now you had her.
>Your groping once a day turned into a potential sexual assault case whenever you got near enough to her.
>She never said anything to you but would weakly push your hands away when she needed to leave.
>Eventually you began to tease her throughout the day constantly. A spank here, a nipple tweak there, you made sure when she was around you she never got away without something.
>It was never enough stimulation to push her over the edge but enough to keep her swollen and wet all day.
>One evening in your final period, you decided to push her all the way since she’d been good and hadn’t tried to stop you once.
>You reached over between her legs and slipped your fingers into her slick panties, giving her nub a little more attention than usual.
>Expecting more teasing and not such a raw surge of pleasure, the girl arched her back into her seat and silently came right into your hand.
>That began a new portion of her day from then on.
>If she hadn’t taken matters into her own hands by the end of each day, she was rewarded with a leg shaking release in your final class.
>Now instead of avoiding you, she actively hunted you down during lunch and between classes.
>She wasn’t dumb enough to demand attention, but kept herself available to you as much as she could.
>The other students started to think you’re a couple but you still didn’t even know her name.
>She responds well enough to Wubslut.
>A month or two of this and she still hasn’t said one word to you.
>What she had done though is put her desk next to yours in every class you two had and stopped wearing panties and bras altogether.
>Whenever she sees you, you know she’s happy by the way her nipples poke through her shirt for you.
>For this, you upgraded her to one orgasm per class, keeping her on the edge until the bell rings if she's been good.
>You’ve noticed her sensitivity has gone way up since you started as well.
>Just a minor rub of her folds is enough to make her start shaking and dripping down her legs.
>She even came from a little nipple play during lunch one time.
>That stunt earned her a week of cruel edging, where by the end she was all but grinding herself against you and whimpering.
>Trying her best to get back into your good graces, she motioned for your phone during math and installed an app for you.
>Curious, you messed with the dials and slides on the application little before Wubslut frantically stopped you.
>After class, she lifted her skirt to show you that she’d put a little vibrator in her leggings against her clit.
>So impressed with her creativity and initiative, you gave her a good buzzing until she fell to her knees with a dopey smile.
>This new development allowed you much better control over her arousal, and kept her on edge even without you present.
>It also gave you the ability to test her further.
>A couple of times when she would go to the white board, you’d give her a few spikes on the app to try her composure.
>She wasn’t very good at keeping it as she’d jump and squirm in place, her handwriting messy and often incorrect, sometimes even dropping the marker prompting giggles from the other oblivious students.
>If she was called up near the end of class, you would almost always leave it on the highest setting and see if she could finish the problem before cumming herself in front of everyone.
>Now that she began to understood what you considered to be rewardable, she’d come to school with new additions periodically for your approval.
>It began with her clothes. Cute midriff bearing shirts, bikini tops, shorter skirts, denim shorts that worked better as panties than pants, loose jackets with nothing underneath, collars, chokers, and fishnets wherever she could put them, but always with those purple leggings of hers.
>Happy with her efforts, you had rewarded her generously, it wasn’t uncommon for her to get two orgasms per class then.
>Pretty soon, she had to start bringing water to class to replenish all the lost fluids that she left behind everyday.
>Eventually suspecting she was gaming the system, you subtly implied you were getting bored and that she needed to up her game by denying her.
>Going from multiple releases a day to none sent her panicking into overdrive.
>The next day she came in with only her leggings on and a tiny tank top that clearly showed off her newly pierced nipples.
>You only had to put it on medium to send her into convulsions that day.
>Knowing that you’d soon become bored again, and not wanting to force your hand, she began adding more vibrators to herself, showing them off to you one by one every couple of days.
>First it was a pair of small egg vibes attached to her nipple piercings, then it was a nice red pulsing butt plug, and after that it was a dildo with rubbery spikes, ridges, and nubs, each section independent from the others.
>She laid a vibrating pad over her mound as well, for more indirect teasing.
>Running out of tender areas, she lined a few pads up both sides of her stomach and even attached one to her tongue with another piercing.
>It wasn’t like she talked much anyway.
>The best part was that Wubslut had synced them all separately to different dials and switches on the app giving you full control over most of her body.
>She even made them respond to music that you played for her headphones. Each attachment tuned to a different instrument or pitch that played her body like a symphony.
>All the new additions Wubslut added to herself had reduced her stamina even further, the only intensity she could handle without falling over were at most the medium low settings, and mild songs.
>With all the wires and slutty clothes, you were surprised that no one seemed to be catching on to what was happening to the poor girl.
>What helped her stay undiscovered was that she was already pretty quiet and the most she ever let escape were periodic little moans and whines, even when having back to back earth shattering orgasms.
>You had started to worry about her academic performance though, as she became more and more absorbed in the little game of yours.
>Since she was also running out of ideas for things to do to herself, you placed more emphasis on her grades.
>Any test or quiz she aced would be given a few seconds on the high setting. Whereas anything less than a B- would be punished with edging the rest of the day.
>By your senior year, you had turned this middling C student into a 4.0 summa cum quietly slutatorian.
>The only person who beat her for valedictorian was that borderline autistic purple girl who had some bullshit horse powers that she probably cheated with.
>You still had some fun during the horsegirl’s speech though, watching Wubslut behind her bounce on her feet, anxiously trying not to buckle to the floor while making some very interesting faces.
>After the caps had been thrown and graduates starting to leave, Wubslut came up to you and did something she had never done before.
>She took your hand into hers and held it for a second while maintaining eye contact. 
>This was the most degenerate and lewd thing anyone had ever done in your presence and if it weren’t for your special relationship with her you would have had her arrested for rape.
>When she finally let go, she gave you a small chaste kiss and left a small piece of paper with ‘my name is Vinyl’ and her number written on it.