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nctrice · 3 years

Text

Professor Jaehyun x Female Reader

Rating: 18+🛑

Word count: 2K

Content: smut, unprotected sex, fingering, dominant Jaehyun, praising, teacherxstudent, dilf Jaehyun, slight public intercourse

Disclaimer: I do not own Jung Jaehyun nor claim him in any sort of way. This Fanfiction is made up out of pure imagination and is strictly just fiction.

A/N: this is my first time writing for this tumblr platform and please give strict constructive advice if needed! Thanks!

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"Gosh he's hot!" I whispered under my breath gazing upon the dilf himself, Mr.Jung or in other words my calculus professor.

He stood tall and confident in front of the oddly huge white board, broad shoulders facing the class until he eventually turns around to ask a random student to answer the question that I had yet to even realize what it was. He swiftly scans the multiple rows of seats depicting who had been paying attention and who hasn't. I slowly began to sink in my seat avoiding be called on at any cost.

"Ah, y/n! I see you there! Come up here and answer this question for the class." He demands in a polite manner.

I had no problem with it of course, until he said to come forth. This is a first he's ever asked anyone to write the actual answer. My heart pounds within my chest, praying I don't make a fool of myself walking down or back up these unnecessarily wide stairs.

Mr.Jung steps aside and greets me with his well known charming smile. The amount of times this man alone has made me want scream to knock all the built up nerves out of my body. He made me feel more than just butterflies, I couldn't quite put a finger on it.

"Need help?" Mr.Jung folds his arms stepping closer.

"N-no thank you, I'm sure I got it."

My hands fumbled to reach for the dry erase marker he held out for me. It was a bit warm considering he's been holding it for more than half the class. I took a quick glance at the question, immediately regretting what I said. I did indeed need help, and I don't got it. I'm sure he could tell I was hesitating as my finger sits comfortably above my top lip.

'here goes nothing.' I thought before writing what I thought was the right answer. Mr.Jung examined the question, "close but not quite. The answer was -9, you forgot to subtract this which why you got -2. Try another easy one similar to this."

Bullshit. This question didn't look no where as easy. If I mess up again oh well, it's not like he'd pop out with another question to further embarrass me. As I thought long and hard about the problem, it began to feel like it was just us two. Him applying an uncomfortable amount of pressure with just the distance between us and me panicking underneath his anticipated stare.

"Not quite right neither, it'd be best for you to stay after class you seem to be having a lot of troubles."

Mr.Jung wiped the whiteboard free of any writing once I answered the last question and moved on with his lessons. I barely made it to the first step before he had wrote the next problem to briefly go over thanks to me. His words far more stern and exaggerated in attempt to sub me. Out of my entire time being in his class this had been the most I've ever seen this man share eye contact. Yet, it wasn't sweet and kind, more like curiosity had taken over and he couldn't get why I answered both questions incorrectly.

That exact thought had been on his mind throughout the rest of the class. A part of him felt anxious to know what it was that made me fumble at the problem that he knew I could solve perfectly fine on my own.

______________________

"Alright you all have a great rest of your afternoon and please do study for this upcoming test. It'll be more than 40% of your grade!" Mr.Jung announced as the classroom flooded out the doors, All except one person.

"Ms.l/n,"

He heaved a deep sigh, shoving his hands into his almost too tight dress pants pocket. He paced around his desk before sitting directly on the rounded edge. He looked dramatically intimidating, like he wanted to degrade you the moment he could.

"Is everything okay? You're normally really good with math. It hurt me to see you troubled with such an easy question."

My hands couldn't help but fiddle with the zipper sewed into my bag. How was I supposed to tell my teacher that he was the problem. Not in any sort of bad way, and not in any good way neither.

"Yeah I'm fine, just had a rough week." I lied.

"You seem kind of tense. Am I making you uncomfortable?" He innocently spoke while his eyes examined my body for some type of body language.

My knees buckled, hands folding anything to keep me calm, and not mentioning my blushed face. I was 100% sure that my face was completely flushed a crimson red. There was no denying it.

He didn't wait for an answer, and simply lowered his curtain covering the window then locked the door. I was unsure of what his intentions were but my mind was far off somewhere it shouldn't be regarding the fact that I'm just his student. The thought of him shoving all of his folders and papers off his desk and pinning me clouded my mind. My dying fantasy to have the slightest interaction that no other girl has ever had with him.

"I'm all ears. That's if you're comfortable with telling me of course." He knocked me into reality as I began to feel guilty for thinking negatively of his intentions.

"I'm not sure I can be completely honest." I mumbled beneath my breath breaking eye contact.

"And why is that?"

Mr.Jung held his arm out for me to grab. With little to no hesitation at all, I placed my hand in his. His thumb grazes over my knuckles a fee times until his eyes darted up towards mine.

"Cause I'm in no sort of position to have such thoughts."

I simply remove my hand from his grip feeling the tense sensation overwhelm me once again building up the need to put an end to this. He sensed it immediately.

"Turn around."

"Huh?"

"I'm not gonna say it again." His voice had more depth and demand stringing to it.

I did exactly what he said, no questions asked. His hands set firmly on my shoulders guiding me closer towards him until I felt the warmth radiating off of his body and onto mine. His thumb running deep circles into my shoulder blades releasing the tension that remained.

"Now tell me what position you feel you need to be in."

His hands made its way to my spine tracing all the way down to my waist before kneading my lower back.

"Missionary?"

"That can work too but I meant regarding to what you said. What position do you need to be in to have such dirty thoughts?"

By now, you were inches away from in between his legs, as much as I wished to be in this dearest situation, my first instinct was to freeze up. Was this really happening?

"I'm just your student. The things I want to do will ruin your career." I admitted.

He hummed at my answer willingly holding my waist and pulling me directly into his lap. I felt the slightest bulge poking me through my thin leggings. His head rested onto my right shoulder sending shivers down my back.

"There's nothing wrong with the student getting a little extra lesson with chemistry." He bluntly stated right beneath my ear.

I began to feel throbbing and anticipation between my legs. Or maybe I had just noticed it now. His hands ventured from my waist toward the hem of my leggings, thumb pushing past my leggings and rubbing the outline of my panties. My stomach bursted with butterflies under his touch. He bit his lips as he felt the smooth lace of my underwear.

"Good choice Ms.l/n," he huskily whispered.

"Tell me about how you fantasize about me in explicit detail if you would."

My chapped lips parted realizing a deep breath I held in since he began to touch me in the ways I haven't yet imagined. His fingers trailed down to palm my womanhood gently creating the knot in my stomach.

"You had me alone like now, desperately removing everything off the desk to pin me down. Ripping my shirt in half as you cupped my boobs. One hand busy playing with my nipples, the other rubbing rough circles on my clit as you told me come."

He chuckled in response as he removed his hand from me and remained silent. As much as I wanted to turn around a catch a glimpse of his face, I was already too embarrassed sharing my intimate dreams with him.

He bit his lips dauntingly, "can I?"

"What?"

"Can I make that dream a reality?"

He slightly nibbled onto my ear, heat fuming from my dripping core soaking my panties by the second. I silently nodded afraid to speak at all. "I want to hear you say it, can I touch you?"

"Yes, Mr.Jung."

"Good girl, just for this I'll allow you to call me Jaehyun okay baby?"

I nodded once again holding back the whimpers threatening to leave my lips. His hands rubbed my ass gently getting rough within seconds, groping me every chance he got. The bulge teasingly poked at my core as he undid his pants lowering his draws enough to let his member spring free; slowly stroking himself onto my ass. Jaehyun grunted as the friction increased. His fingers tugged the the hem of my leggings sliding them down to my knees locking them in place.

"Damn you're sexy." He moaned taking in the sight of my now exposed ass. He stroked himself aggressively before tracing my spine with his fingers and bending me over. His other hand pushing my panties to the side as he inserted double digits into my soaked core curling his fingers and his thumb circled my clit. My breath became unstable panting like there was no tomorrow. My walls clenched amongst his digits fighting the urge to come. "Mhmm I-I can't hold it." I moaned balling my fists up against my knees for support. He took his digits out sucking every ounce making sure I heard the slurping noise before he lined himself at my entrance.

I inhaled a sharp breath as he entered his tip inside me. I had no clue how big he was but felt my walls adjusting to the girth of him. I bit my lip, holding back from the moans. His hands firmly placed on my hips as he shoved the rest of his large length inside me. I let out a small gasp followed with hitched breaths as his length reached what felt like my cervix. "Shh, you don't want no one to hear you don't you?" He whispered stopping in his tracks for a split second. He pulled almost all the way out coated with your juices only just to shove his length in back in reaching spots he may have missed.

"Oh fuck." Jaehyun groaned thrusting sluggishly. My walls clenched around him causing his grip to tighten on my waist. Tears streaming down my face in pleasure. He picked up the pace being careful enough to refrain from making any clapping noises. As much as he want to rail me until my eyes rolled back and seen stars he couldn't, not in this environment. Yet it was still enough to satisfy the both of our needs. Soft whimpers were the only thing he'd allow out of my mouth, anything louder than that he'd immediately pull out as a sign of punishment. His hand left my waist grabbing fistfuls of my hair and yanking it to see my fucked out facial expressions.

"Jaehyun." I breathed out as he rammed into me.

"Ms.l/n, you dirty little slut of mine, Ms.l/n you feel so good taking all my length in your wet pussy." He groaned aggressively in my ear pounded into me completely forgetting the fact that we were in his classroom. ~

"Ms.l/n! Please stop zoning out in my class!" Mr.Jung semi-shouts jolting me out of my day dream. I immediately fixed my posture examining the dozens of eyes all drawn towards me including Mr.Jeong. He cocked an eyebrow at me before running his tongue on the inside of his cheek.

"See me after class." He demanded and continued on with his lesson. And just like that, I added on to my series of fantasies with my Calculus professor.

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