lessons in lust
ellie williams x fem reader
synopsis: ellie meets with her hot tutor for calculus and somehow ends with an anatomy lesson!
CW: 18+ MINORS DNI, dealer!ellie (throwback asf), tutor!reader, slightly dom!ellie, cunnilingus, public sex (they don’t get caught tho), a bit of teasing, both reader and ellie are just sluts basically. not proofread :3
a/n: heyyy the way i wrote this in literally 2023 and it's just been in my notes… hence slight dealer!ellie appearance LOL its also barely relevant to the story but I just think tutor!reader x dealer!ellie is a hot pairing. also ellie being lowkey dominant in this is so funny cuz i'm really in my sub!ellie era… but its still hot honestly. anyways hope y'all enjoy!
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ellie sighed as she looked at her current course score, knowing she was about to fail her calculus class if she didn’t start getting decent grades soon. she cursed herself for picking astrophysics as a major, recalling how she ‘thought it sounded cool’ and failed to consider that she would need to take difficult math classes.
she didn’t hate it, but she was falling behind as she allowed her ‘business’ to take up most of her time. it was easy to get caught up, and she was pretty proud of herself once the money really started raking in, but was quickly humbled when she remembered she couldn’t afford to retake a foundational course to her major.
that was how ellie found herself tapping her shoes against the library chair, waiting for her calculus tutor to arrive. she blew out a sigh from her pursed lips as she scrolled mindlessly through her phone, in a daze—so much so that she hadn’t noticed you walk up to the round table until you said, “hi, are you ellie?”
she looked up, a bit startled by your voice in the quiet library, especially because she had picked a spot in the back, away from other people and their chatters.
she took a second to respond, partially because she had expected some kind of geeky math nerd to be her tutor--especially since it was through the school. however, the main reason for her delayed response was because she knew you.
well, knew is an overstatement, you were a bit of a crush that ellie had in one of her classes. she had never made a move to talk to you, but she often indulged herself by staring at your legs, barely covered by the short skirts you wore to class, and fantasizing about the sounds you’d make with her face between them. she noticed you were wearing a similar skirt today and her mind already started racing, but she quickly snapped out if it.
“hi, yeah that’s me.”
“i’m y/n, i’ll be working with you today,” you said, smiling at her. she felt her heart rate increase, but she made sure to play it cool. “oh, nice, thanks.” you gave her a slight smile aam pulled your chair in next to her.
“so, where should we start?”
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after several minutes of going over the subjects taught in the course, ellie’s mind had started to wander back to your short skirt and your words faded into the background as she wondered how quiet she could be while fucking you in the library. you can feel her eyeing you up as you spoke, and try to keep your voice steady regardless of how nervous she’s making you feel. how are you supposed to teach her while she’s practically undressing you with her eyes?
“so, can you show me how you could solve this kind of problem?”, you ask. after a few moments of silence and ellie scratching her head, you giggle, noticing she looks a bit spaced out.
“jeez, am i that boring of a tutor that you’re zoning out?”, you tease. she chuckles and shakes her head, “no, not at all. these kinds of problems just confuse me is all, i really don’t know where to start.”
you scoot your chair closer to her and aren’t sure if you imagine hearing her breath hitch.
“okay so, show me exactly where you’re having problems."
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“holy shit. you’re a fucking genius. or a saint. both—whatever. i can’t believe i actually understand this,” ellie scoffs in disbelief.
you smile at ellie and and shrug, “you had it in you. sometimes it just takes a bit of a push. i’m sure you’ll do great on your tests.”
ellie looks at you with a suddenly soft expression, suddenly realizing her appreciation for your help and being so patient with her. she also realizes that she might have a thing for nerds. she would be lying if she didn’t find your intelligence extremely sexy, as if you weren’t already hot enough.
“so, how am i going to repay you for this, y/n?” she asks, leaning towards you and brushing a hair out of your face.
you let out a shy laugh at her sudden boldness, caught off guard by the cute girl’s fingers brushing against your skin.
funnily enough, you had heard about ellie before. there was a small number of queer students on campus, and an even smaller circle of queer girls. and as it usually happens, lots of you knew of each other. in fact, you and ellie were both hooking up with the same girl, which was how you knew about her. just based on this, you assumed she was a bit of a womanizer, and her obvious flirting with you now seemed to align with this idea.
but you aren’t put off by this—in fact, it only makes her more intriguing to you. behind your studious math-nerd image, you aren’t all that innocent either.
“please, i already get paid to tutor. i’m just doing my job, so you don’t have to thank me any special way,” you reply, amusement laced in your tone.
“i know i don’t have to,” she states simply, “i want to. you helped me out, and i think it’s only right that i return the favor.” as she says this, ellie places her hand on your thigh, slowly moving it up as she looks into your eyes, waiting for a reaction.
you raise an eyebrow at her, but once you smirk, ellie knows it’s game over. you lean in forward and lower your voice. “y’know, i think you might be right. i did, after all, save your grade in this class didn’t i?”
you decide you’ll play along and see where this goes. after all, she was fucking hot. when she smirks at your response, you almost start drooling. 5 minutes ago, you were focused on integrals, but now all your brain can think is how fucking badly you want those long fingers to keep moving up your leg.
“so how exactly are you going to repay me?” you ask, although you already had an idea of what she had in mind.
even though ellie was hoping for this situation, she couldn’t believe you were actually down. when she realizes this, it goes straight to her clit. was she really about to fuck her hot tutor?
ellie suddenly starts lowering herself under the desk.
“i think i can help you better down here.”
you just about come right in that moment, looking down at her mischievous green eyes from beneath you. your breath hitches and you look around to make sure that nobody is watching.
“fuck. that’s so hot. okay… you just-you have to tell me if i’m being too loud, okay?”
ellie nods and can’t seem to wipe that smirk off her face as she crawls forward and positions her face so she could look under your skirt. you spread your legs slightly for her access and you can immediately feel her hot breath on your inner thighs, causing you to shudder. she looks up at you, making direct eye contact as she leaves wet kisses on your thighs, teasing you, even in this moment where she should be going quickly as to not get caught.
you bite your lip when she drags her middle finger over your clothed heat, then slowly rubs your clit through the pink fabric. you hear her curse to herself and you feel yourself getting wetter as each excruciating moment passes. after a few moments, she pulls your panties to the side to view your soaked pussy.
“you’re already so wet,” she quietly groans. you almost whine when she brings her mouth so close to your center, looking up at you from her hooded eyelids and just holding herself there to tease you just a little bit longer.
ellie takes a mental snapshot of your desperate expression as you look down at her, with your lips between your teeth and eyebrows furrowed. but she can’t wait any longer herself. needing to taste you, she licks a long strip from up your pussy and you immediately find yourself choking back a moan.
ellie seems pleased by your reaction and starts leaving wet kisses on your clit, sucking lightly as she pulls away and alternating with gentle flicks of her tongue. its driving you absolutely crazy how gentle and slow she’s being, and you start to roll your hips to satiate her relentless teasing. she knows that it’s not enough but she’s also aware of how much more wet it’s making you.
she sucks a little harder on your clit and your head falls back as you gasp in pleasure. then she pulls away, lightly smacking your thigh.
“uh uh, keep looking at me. i want you to watch me while i make you feel good, baby,” she murmurs before she dives back in.
you pull your head back down to watch her with your mouth slightly agape and see her low-lidded eyes are clouded with lust. your back arches as you feel her the pressure of her tongue increase and watch her bob her head up and down under your skirt. ellie isn’t holding back and you can hear the messy, wet noises her mouth makes against your cunt in the quiet library. everything about the situation was borderline pornographic, and you almost feel dizzy from how much it was turning you on. without stopping her mouth movements, you feel her one of her fingers rub against your entrance before plunging deep into your cunt, causing you to let out a little moan. her eyes flick up back to yours, giving you a dangerous look as a warning. one of your hands clasps over your mouth to muffle your sounds as best you can.
“feels good, doesn’t it?” she whispers, and you nod in response, causing her to tsk at you. “i want to hear you say it. tell me how good i’m making you feel,” she demands, slipping in a second finger.
when you remove your hand, you accidentally let out another small whimper, and you respond as best as you can, “it f-feels so good. fuck, it’s too good,” you whisper, eyes rolling back into your skull.
satisfied with your answer, she reattaches her mouth to your clit and sucks harshly, forcing you to bite your fingers to hold back your sounds. her fingers speed up as well, and you can hear the lewd sounds of your wetness even louder now. you’re getting dangerously close, and she can tell by how your insides clench around her fingers.
“s-shit, i’m close, ellie,” you half-whisper, half-whine.
“i know, baby.”
she continues her assault with her tongue and fingers, doing her best to drive you crazy. she can feel her own wetness growing between her legs as she listens to your muffled sounds. when she sees your face, all fucked out and desperate, she nearly cums on that alone. “you gonna come for me?”
“mhmm,” you whimper, unable to respond properly as your mind and body are completely clouded with pleasure. your hands find her hair, needing somewhere to grab as the intensity became too much for you, causing her to moan into you, and the vibrations of her voice push you over the edge.
your body freezes up completely for a moment, then jolts as your release hits you, hard. you can’t help but moan and your legs shake as she keeps her pace, prolonging your orgasm for as long as she can. when the overstimulation becomes too much, you push her head away from you causing her lips to detach from you with a pop. you gasp for air and your body trembles as you come down from your high.
when your vision unblurs, you see her still between your legs, lips and chin covered in a combination of your wetness and her spit, and watch her smirk before she cleans her fingers off with her mouth. it’s the most erotic view you’ve ever seen—you could cum a second time.
she helps you put your panties back on and slowy rises from under the table, looking around to make sure the coast is still clear. she chuckles when she sees you still slumped in your chair, recovering and wraps her arm around your waist to help you up.
“how was that for repayment?” she teases.
you chuckled, still out of breath, and hoped that she’d be setting up more sessions with you in the future.
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