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joonslfttiddie · 9 months

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The Underclassman

💜Fic Pairing: Kim Seokjin x Reader

💜AU/Genre: College AU | Smut | Potential Relationship

💜Warnings: Smut, femdom, male sub, climax denial, unprotected sex, ejaculation, virgin's first time

💜Rating: MA

💜Word Count: 4781

Senior year of undergrad has had its challenges but you know it's downhill from here. Having gotten a jump on your assignments, you're pretty much skating through until graduation. Your only obligations are your teaching assistant tasks for Dr. Yun's psychology class, your job at the bookstore, and a few organizations on campus.

While things have been chill regarding course work, this year has also shown you who has your best interest at heart and who is just a waste of space in your life. Depending on how you look at things, fortunately or unfortunately, that meant that your ex-boyfriend was one of the people to exit your world. The two of you had been together since freshman year, and it has not been easy adjusting to the single life.

You haven't been on a date since, and just looking at other men still feels wrong. Your ex was always the jealous, controlling type who made it hard to breathe, as you walked on eggshells around him, which made you feel powerless.

"Honestly, I never liked your ex. It felt like all of your time was owed to him... like he owned you. You deserve so much better than him."

Your friend, René, opens up to you during a night of chilling at your apartment, sitting in a circle, cross legged in the middle of your living room floor. Your other friends, Michelle and Ticole, just shake their heads in agreement before taking a sip of their beers.

"I know, I know. You're right. I can see now how devoted I was to him. I was willing to give him everything I had. Of course, we now know he was giving his time, amongst other things, to someone else...but it's whatever."

Michelle chimes in, "It is whatever. This is our senior year. I just want you to take your time to find yourself again. Get out! Date! Enjoy your hoe phase. Plus, my boyfriend's mentee asks me about you every time I see him. That boy is in love."

"Girl, who? Seokjin?! I catch him eyeing me every other day in Dr. Yun's class but he has yet to say anything to me sooooo....."

"Don't do him like that...He is so sweet but so shy. He's one of those guys that's hot but doesn't know he's hot."

You all erupt into laughter and as the excitement subsides you agree.

"You're right, he is so cute but I never really looked at him like that. He has been such a sweetheart every time I've interacted with him but I dunno if he's my type, you know? Hell, he still refers to me as 'ma'am', like, I literally only have a couple of years on him, if that."

"He mentioned to Chance that he was not the best looking guy in high school. He was bullied because he was so skinny, had bad acne, braces, and glasses.. the usual "nerd" package. I, legit, don't think he realizes that puberty has come and gone. I wonder if he just doesn't have the confidence to approach you."

"Hmm... that would make sense. I hate that he went through all that. He seems so sweet despite being mistreated. I'll think about it, ok? But as far as 'enjoying my hoe phase' goes, guys fuck around all the time and no one bats an eye. I hate the double standard. I'm going to have the time of my life for the rest of the year. I deserve it, plus I've been horny as fuck, lately."

"Girl, go for it! I support this. Live your best life, friend. You've missed out on a lot being tied down like a married woman. Go get you some. And you never know, having that underclassman screaming 'yes, ma'am' may be just what you need!" Ticole says, co-signing with Michelle.

You all erupt into a fit of laughter at that and you take notice of the way your body feels from just imagining it. As heat burns up your spine and your pussy tingles, you swallow spit as you're basically salivating with excitement. Knowing what will make for some good material when you're alone later, you reply with a nervous chuckle, "Maybe, huh?"

Your girls were right! You're going to start putting yourself out there and try to be more open minded. After a restful night and having used mental images of Seokjin to gain a little post nut clarity, you begin to think that you may even explore people outside of your typical type. Internalizing all the encouragement your girls provided last night, you walk to Dr. Yun's class feeling like the baddest bitch on campus.

After taking attendance, you make a mental note that Seokjin isn't here yet. He never misses class but you shrug it off for the moment to continue your duties. You remind the students of upcoming assignments, schedule a few tutoring sessions, and answer any questions to the best of your knowledge until the professor arrives moments later. He hands you a stack of handouts and asks you to make copies since he hadn't gotten a chance to while the class takes a quiz. You grab your phone from the desk and slide it in the pocket of your cardigan before swiftly proceeding down the hall to the printer.

You turn the corner, finding yourself colliding with a student who is frantically rushing to class, landing you on your ass surrounded by the papers you were carrying, you quickly adjust your clothes as your skirt has flipped up, putting your lace undies on full display.

"Fuck! I'm so sorry! Are you okay? I woke up late and can't be late for class. I have a quiz today."

You recognize that voice immediately and look up to see Seokjin. He quickly tries to collect the paperwork as he chatters, taking a moment to push his glasses back up the bridge of his nose.

'He couldn't have seen that, right?'

"Hey! No worries, Seokjin, I can get this. Go ahead... they're just about to begin."

After hearing his name cross your lips, he finally looks up to see your face. With a gasp, you notice his ears flush red before he responds.

"Miss y/n! I'm so sorry! Are you sure you're okay?" He pulls you up to your feet with one hand, allowing you to further adjust your clothing before handing you the papers he'd collected.

"Yes, I'm fine. Hurry up and go. Good luck!"

"Yes, ma'am. Thank you, thank you. I'm so sorry."

Seokjin smiles nervously before he rushes past you towards the classroom.

You make the copies and begin heading back to class, unable to stop replaying the incident with Seokjin. Has he always been so cute? So tall? Shoulders that broad? Biting your bottom lip, you recall the way his hair hung just above his eyes and his full pink lips slightly parted when he gasped from the shock of your accident. He looked so nerdy behind those glasses, but his brown eyes were breathtaking.

'Why am I just seeing him now... like really SEEING him?!'

You're thinking about all of this as you make the copies, sure that you hadn't noticed Seokjin's beauty for being so committed to you ex. You were blind for so long but now your eyes are wide open.

Back in the classroom, you quietly place the stack of papers on the desk, glancing up to see the student's working busily. Once you take your designated spot next to Dr. Yun's desk, you cross your legs and begin looking through the rows of seats until you spot him. Hunching over his desk and bouncing his foot restlessly, the poor guy looks so anxious. The sight leaves him looking so small and helpless, though he is definitely a deliciously full grown adult.

You glance away for a second but can't help the smirk that creeps across your face when you catch him suddenly still, sitting erect in his seat as his eyes trace your up legs all the way up to your thighs peeking from under your skirt. After making sure everyone else was focused on their work, you put your leg down and part your knees, now purposely exposing yourself to him. He licks his lips, then his eyes meet yours. Snapping your legs shut, you look down, covering your smile as you snicker to yourself. His nervous behavior commences as his gaze quickly snaps back down to his quiz, but not before you notice his face and ears turn a pretty shade of pink. What is this new feeling? You are not certain but you are 100% sure that you love it. You want more.

A couple of days have passed since literally running into Seokjin when you find yourself at work refolding the campus tees on one of the display tables, you glance at your watch to see it's almost time for you to clock out. It's been beautiful weather all day, despite what the weather channel said, but you can see the sky getting darker and you can hear thunder in the distance.

"It looks like the rain has finally made it," you warn your coworker. "Get home safely!"

Thankfully you check the weather every morning before leaving your campus apartment and was wise enough to bring your umbrella.

You grab your things from your locker in the employee lounge after clocking out. Once outside, you make it halfway across the yard to the fountain in the middle of the quad before you feel the first few sprinkles of rainfall. You stop to arm yourself with your umbrella before continuing your trek across campus as the bottom falls out of the sky. It is pouring now as you cross the street nearing your place, and you notice a familiar figure walking ahead of you.

He's soaking! He doesn't have an umbrella or even a jacket to keep him warm. You can tell that he's cold by the way he burrows into himself. The ripples of his back muscles are accentuated through his wet, white tee shirt as he hugs himself.

"SEOKJIN!"

He stops and turns towards you after hearing his name.

"Miss y/n? What are you doing out in this storm?"

You hold up the umbrella to cover you both.

"I'm just leaving work and on my way home. What are you doing out? And why don't you have a jacket on or an umbrella?"

He smiles shyly.

"Ummm...I didn't know it was going to rain today so I'm unprepared. I was going to the cafe to grab a bite before studying but it started to storm so I turned back."

"You poor thing. Why don't you come up to my place until the rain stops? I haven't eaten yet, either, so I can whip something up for us to eat."

"Uhhh...are you sure? I wouldn't want to intrude. Plus, I only live a ways down from here."

Linking your arm in his, you continue to shield you both from getting wet while pulling him alongside you.

"It's no intrusion, I promise. Since it's Friday, my roommate has gone to her boyfriend's place, so I could use the company."

You smile at each other as he takes the umbrella to hold above you and continue to chat as you make your way up the stairs leading to your door. When you step inside, you ask that he stay at the door where there's tile as he's still dripping wet.

"Just stay there for a second. You're soaked. I know there's a towel in here somewhere."

After a moment of searching through the hamper of fresh laundry you hadn't gotten a chance to put away before work, you finally find a towel and hand it to him after he's secured the umbrella strap and placed it in the corner.

"Thanks, Miss y/n. I really appreciate your kindness."

"Of course! We've known each other for years now. You're not exactly a stranger at this point, so it's no problem at all. While you're drying your hair, I'll go see if my roommate's boyfriend may have left some clothes here. You guys are about the same size. Go ahead and get out of those clothes before you catch a cold."

This wouldn't be the first time you've seen a man undress so you're not thinking much about what you just said and rush off to your roommates bedroom to find a large tee shirt and a pair of basketball shorts. You stay frozen for a second as the situation suddenly catches up to you. You and Seokjin are alone in your apartment and he's undressing in the other room. Ticole's words echo in your mind. 'Get you some!' Michelle's voice lingers closely behind. 'Enjoy your hoe phase!'

'Am I really thinking about this now?! Does he even think of me in THAT way? He seems so innocent, I don't want to be a bad influence or take advantage of him.

You continue to stand there, contemplating your next move. Sure, he is extra dorky at first glance, but when you really look at him, you see now that he is fine as fuck. He, also, doesn't talk to a lot of people so you know he's not sleeping around and he will be discreet about what happens. This could be a good thing, if he's willing, of course. You take a deep breath before you leave the room, only to walk out and see Seokjin wearing nothing but his jeans and sneakers. You gasp at the sight, hoping he didn't hear you. Sure, you knew he would be undressing but you didn't expect that body to be under those clothes. God definitely took his time sculpting him to perfection.

When he looks up to see you've returned, he shyly covers himself with the wet shirt and towel leaving his free hand grasping his spectacles across his chest. There's that feeling again...the one you experienced during class the other day. You clear your throat and walk over to him to give him the clothes, trying your best not to stare.

"M-miss y/n. I-"

"Oh... sorry! I'm not trying to make you feel uncomfortable. Here are the clothes. I can step out for a second."

Reluctantly, he drops the shirt and towel to the floor by his side but his other hand holding on to his glasses remains across his chest as he reaches for the outfit.

Just above a whisper, he asks, "I've been meaning to talk to you. Are you ok? You know from the other day? I was hoping you weren't hurt and I wanted to apologize again. And no, I'm not uncomfortable, you know? I just...I."

"No, I'm completely fine, I promise. And it's no problem at all. I'll step out to give you some privacy."

"Miss y/n."

"Hmm?" You pause to look up to him, awaiting his response.

"You don't have to leave. I don't want you to leave, I just..."

The look on his face teeters on the cusp of pain and embarrassment.

"What's up? You look like there's something else you want to tell me."

"Miss y/n."

"Stop calling me that, though. I'm only a couple years older than you."

"Y-y/n?" He pauses for a moment to see if he's overstepped. When you continue to look into his chocolate colored pupils, he continues speaking. "I've never done this before."

"Done what?"

He leans over to place the clothes on the end table putting his glasses on top. He stands back to face you, taking your wrist in his hand. His eyes bounce from your eyes to your lips, then back. You can see he's nervous as he shifts his weight from one foot to the other.

"What do you want to do, Sweet Boy? Do you want to kiss me?"

The nickname and the question causes his eyes to widen, the reddish hue of his ears and cheeks deepen.

"Y-yes."

"Yes, what?"

"Yes, ma'am. I want to kiss you so bad."

"Good boy. Go ahead, kiss me."

He hesitates, standing straight and still, your small wrist still gripped in his hand. He's looking into your eyes as if searching to see if you're serious. After what feels like forever, he tilts his head to the side and leans in, only to pull back. Shifting his head in the opposite direction, he leans in again only to pull away. He continues this for a moment, unsure of how to approach you. This would usually be a huge turn off for you but with him it's different. His uncertainty and timidness seems to just stir you on.

"Kiss me."

Your sudden command startles him slightly and he quickly leans in, placing his mouth against yours, bumping your lip with his teeth. He pulls back quickly as if he were burned. Patiently, you take his hands, placing one on the small of your back and the other at your nape. Taking a step forward, your body now flush to his, you can hear his breath shuttering. His very prominent bulge presses against your stomach as you place one hand on his exposed chest and snake your arm around his neck.

"Don't rush. I'm not going anywhere. Take your time and try again."

Slowly this time, he moves in to softly press his lips to yours before he pulls away, the smooch audible. You gently pull him back, slowly beginning to move your mouth against his, licking and sucking at his lips. When your tongue brushes against his, he whimpers aloud, grasping your shirt into his fist. Pulling back, you look up to check in on him. The dorky Seokjin is barely visible under the haze of lust now surrounding him. He bends down, taking your lips again. Mimicking your actions from before, he licks and sucks at your bottom lip before grazing your tongue with his own. Slightly taken aback by the feeling, you pull back to regain control of this situation. When he releases you, you step back and can feel the coldness of your shirt against your skin, now wet from being pressed against him.

"That was so good, Baby. You did good. Would you like to take the rest of those wet clothes off?"

"Yes, ma'am."

You smile at how quickly he's catching on. Still standing at the entrance of your place, Seokjin begins to toe off his shoes which squish with every movement. Sliding them to the side with his foot, he begins to unbutton his jeans, hands noticeably trembling. You're unsure if he's still cold or if he's nervous so you decide to check in again.

"Are you ok? Do you want to stop?"

"Yes, ma'am. No, ma'am... I'm ok. I don't want to stop, I'm just c-cold."

"Take those off and follow me...let's get you warmed up."

Removing your now moist shirt, you begin walking down the hallway to your bedroom. Seokjin watches as your hips sashay and your ass jiggles with every step you take. He continues to peel the wet jeans from his body. Now, wearing only his boxer briefs, he follows the route he just watched you take. Inside of your bedroom, he finds you already in bed, clothes tossed haphazardly on the floor. He bashfully makes his way to the edge of the bed, awaiting further instruction.

"Aren't those wet, too? Don't you think you should take them off?"

"Are you sure you're ok with this? With me?"

"Yes, I'm sure. Why wouldn't I be? Take them off, Sweet Boy, and come here."

When he pulls them down, you have to hide the shock that overcomes you. His dick looks so thick and heavy. Your heart begins to race in anticipation. Once he's completely naked, you pull the covers back as an invitation for him to climb in. He seems reluctant, trying and failing to cover his manhood behind his hands.

"Seokjin, baby...we don't have to do anything you aren't ready for. I won't be upset and I won't force you to do anything you don't want to do."

"NO! It's not that. I want this, I want this with you. But, like I mentioned, I've never done this before...I'm a virgin. Shit, you just gave me my first kiss. I'm sorry...I should have told you sooner. I'll just leave. I don't want to embarrass myself and waste your time."

"Awww, Baby. It's ok! I don't care that you're a virgin. I want you to stay but only if you want to stay."

"Yes, ma'am, I do."

"I promise to be patient. I'm not here to judge you. I won't rush you so just take your time. Would you like for me to teach you?"

He nods his head in agreement.

"Have you ever heard of a 'safeword'?"

"Is it a word we would use to indicate that we are uncomfortable with something?"

"That's exactly what it is. If either of us say or do anything that the other doesn't like, we'll use that word. The other has to stop immediately."

"Ok...what should it be? Could we use Adler?"

You laugh out loud at his cuteness. "Ok... that's fine with me, but why did you choose that?"

"I don't know. His theory was the last thing I looked at when I was studying for Professor Yun's test earlier. It's the first thing that popped into my head," he laughs bashfully while still trying to cover his manhood.

"Adler it is. You can lay with me whenever you feel ready."

With that reassurance, he places his trust in you, removes his hands, and climbs into the sheets. Covering your bodies under the plush blanket, you pull him closer to share your body heat. Resting your head on one hand, you caress his smooth skin with the other. His body continues to tremble but not from the cold this time. Your touch is sending electricity through his core leaving his skin slightly clammy and his breathing shallow and quick.

"I've seen the way you stare at me in class. Do you like me, baby?"

His expression looks as if he'd been caught red handed.

"Y-yes, ma'am. Yes, I do."

"Have you thought about being close with me like this? In bed with me? Touching my naked body?"

His breath hitches in his throat before he answers the same as before.

"Y-y...Yes, ma'am."

"Do you ever touch yourself when you think of me? Does the thought of me make you cum, baby?"

You're practically whispering at this point, inches from his ear. Your hand travels down his abs then along his thigh, skipping the tented area where he needs and wants your touch the most. His erection jerks from the excitement, his body spasms, and his shallow breaths now deepen as he whimpers and moans under your touch. You know he's fighting for his life at this moment but you decide to press him for an answer.

"Did you hear my question? Answer me, Seokjin."

Still inaudible minus his tiny whimpers, he nods his head frantically in agreement.

"I can't hear you. Are you not going to answer me? Do you know what happens to bad boys who don't follow directions? They get punished."

He squeezes his eyes shut tightly in anticipation of what you'll do next. As he clenches his teeth, you can see the muscles along his jawline flex.

"Bad boy," you say softly, pulling the blanket off of him to reveal his hardness. His dick is so firm making his skin look extra smooth but painfully red. The precum leaking from his slit indicates he's enjoying this torture. "Show me. Show me how you jerk yourself off when you're in your room thinking about me."

You sit up briefly to grab the almond oil you'd left on your nightstand this morning after moisturizing your legs. Opening the cap, you pour a bit on the head of his dick and watch as it drizzles down his shaft along the contours of his veins.

"Show me, bad boy. Let me see."

His hand tremors as he brings it up to fist himself. Using his thumb, he distributes the oil and precum over his tip before slowly gliding down his rod. He grunts and gasps as his abs contract, lifting his head from the pillow slightly. He moves his fist back up to the top, barely touching himself.

"Look at me, Seokjin."

He opens his eyes, though they are hooded and lazy. Your heart flutters at the sight. He holds eye contact and his plush lips part as his pants, ready to receive his punishment.

"Squeeze tighter. Imagine my tight pussy slowly sliding down your dick. I'm so wet and juicy."

Following your instruction, he applies more pressure. Still looking into your eyes, his brows furrow as if begging for more. He begins to pick up speed as he's almost there.

"Slowly. Rub your thumb over the tip."

And he does, slowly smearing more precum over the head of his penis. You can tell that he's close to the edge. You allow him to stroke himself a few more times before you grab his wrist, stopping him.

"I want you inside of me. I want you begging me to let you cum."

You grab your phone before moving back towards him. Straddling his hips as he looks at you with a dumbfounded expression. You lift up onto your knees and guide him into you.

"Oh, oh, oh, y/n! Oh! OH!"

He is a mess as you slowly lower your soaking wet pussy to sit flush onto his lap.

"What a nice seat. I think I'll sit here for a while. Don't move."

You unlock your device and start to scroll through your Instagram feed as you're perched motionless with his dick buried deep inside of you. He feels so good and it's a challenge for you to remain still, sitting in this dominant role. You look up to see him looking up to you. The slight chuckle that leaves your lips causes your walls to tighten briefly around him. His whimpers cause you clench even more. He hisses and grabs your hips, sinking his nails into your skin. Simultaneously, he pulls you down as he grinds up to burrow deeper into you. You swallow your moan, unwilling to relinquish your newfound power. You lean forward to firmly grab his chin, bringing his eyes up to yours.

"I said...Be. Still," you whisper. You leave him heaving as you continue to scroll on your phone, putting on as if you're not ready to ride him off the cliff of ecstasy. His little pleas making it harder to act.

"Hmmm...Pleeeease! I c-can't. Y-y/n, please. I can't... can't hold it anymore."

"You can't hold it? Do you need to use the word, baby."

His brows are winkling tighter, sweat pecking at his forehead and chest. You adjust yourself, purposely lifting your body only to follow the trail of moisture you've left smeared on his dick to sit back down.

"N-no... I can't. I can't hold it, y/n! A-ADLER!"

"Go ahead, baby. Let it go."

With your permission, he grips you tighter and pounds into you. Seokjin bares and grinds his teeth, his grunts becoming louder with every stroke. He controls himself for as long as he can, lasting for approximately ten seconds before he explodes, painting your walls with his cum. He feels so amazing, you to want to continue to move. His whining grows louder as his sensitivity increases. Stopping for a moment to allow him to catch his breath, you push the hairs stuck to his forehead away and caress his cheek.

"Are you ok, babe?" Your voice sounds so loving, laced with tenderness.

Seokjin opens his eyes to look at you before he replies, "Yes, ma'am. I'm ok...more than ok. That was better than any of my daydreams, better than I could have ever imagined. You feel so good, so warm, so wet. You look so beautiful sitting on me like this. Thank you so much for this experience."

"I'm glad you're enjoying yourself. You're doing so well."

"But you are too sexy, I couldn't restrain myself. The nickname you called me... the way you spoke to me... your dominance. Whew! But, I came way too fast, I'm so sorry. I wasn't able to pleasure you."

Looking at him, you can see that he's oozing with confidence. Confidence you're sure he's unaware that he carries. You both continue conversing as he softly traces tiny circles on your calves with his fingertips.

"Stop that...you're being too hard on yourself. You did great and this was your first time! You'll get better the more you do it. And you feel amazing, by the way. You just have to learn what to do and gain more experience."

"Ummm... could you help me with that, y/n?"

"Of course, Sweet Boy, I would love to help you with that."

He blushes and chuckles a little with a voice that sounds deeper than you remember. "Really?! Thank you so much, y/n. I never would have imagined I'd be able to be here with you, like this. I'm, literally, the luckiest man alive. Also... I am still inside of you but the way you're looking at me, well, I'm getting hard again. What should I do?"

You can't contain your laugher at his innocence.

"Well, baby, you just came. Now it's my turn."

"Yes ma'am... just tell me what I need to do and I'll do it. Anything you want. I want to learn how to please you."

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