In Love With Sensei ~ (KoroSensei X Reader)

Chapter 1, Romantic Drawings ~

    

       You look at KoroSensei as he's teaching class. He looks at you just as you did. You pretend you weren't looking at him, and he seems a little hurt, flinching visibly. Another student notices and tried to shoot him with the anti-him B-b's. He moves quickly and catches the B-b with chalk. He sends the student to the back of the room. You smirk and pay attention to KoroSensei again. He's writing on the board with the chalk, probably doodling as the class does their class work. You were finished, your pencil still in hand as you also loved to doodle when you were bored. You knew KoroSensei couldn't draw very well, but somehow he always loved to draw anyway. You were the opposite mostly, you were pretty good, and drew mostly what was on your mind. Usually this was KoroSensei. But today, you were feeling exceptionally moody~, and began to draw KoroSensei, eating IceCream. Every detail was thought out, and you were about to finish when the paper was suddenly snatched from your desk. You looked up to see KoroSensei staring intently down at you. You were a girl, which also meant that he was pretty attracted to you. He looked at the picture, and blushed, something about the picture was driving him crazy, you could tell. He blushed and looked at you with a slightly pink face.
          "(Y/N)-chan, why am I licking the IceCream? I takes bites, you know that don't you?" He teases, wagging his finger at you. The class smirks and whisper to each other.  You blush.
          "Actually Sensei~, I just felt like drawing you licking something, you're cute when you stick your tongue out~." KoroSensei flinched and made his signature poker face, sweat dripped down his face. Wow, you thought, that was a strong reaction. This will be a fun year~. KoroSensei put the paper back on your desk and went back to the board to finish drawing the octopus he had started. It was actually better than the normal things he drew, but you knew he probably copied it from a textbook. You raised your hand as he was about to speak. He paused and called on you.
"Yes (Y/N)? What is it you'd like to ask? Or perhaps is it a comment?" He asked, scratching his head with a tentacle. You smile.
"What's with the octopus? And why are you blushing all the sudden?~" You say teasingly as KoroSensei blushes red.
"Ahhhh... There's an octopus because that's what we're learning about today. And I'm blushing bec-." He pauses suddenly, realizing that he was indeed blushing. He clasped his hands together and looked down and to his right. You focused on him. Something wasn't right about him today. He slaps himself suddenly, and the class jumps.
"Sorry class, I seemed to be getting tired. You know how I am after lunch!~ Nyufufufufu!~" He laughs. You chuckle and watch as he teaches the class about the three hearts of an octopus, and how they use camouflage and ink to disappear from prey and/or predators. You smile, he loved teaching as much as anything else he did. He looks at you most of the time he was speaking, and you think you knew why: he had the hots for you. Just like you did for him. It was pretty obvious. Suddenly, he stops talking, and stares at you. The class grows uneasy as he keeps staring at you, almost in a trance. Nagisa opens his mouth slightly and whispers to you.
"Hey... (Y/N) why is he staring at you like that?" He asks, keeping his voice down so only you could hear it. You shrug slightly and respond:
"I... I don't know... you think he likes me?" You ask. Nagisa nods.
"Obviously." He says with a small smile. KoroSensei was still staring at you. You didn't know what thoughts were going through his amazing mind, but you weren't sure you wanted to know. He wasn't blinking, moving, it didn't even appear like he was breathing. Finally you couldn't stand it. You had to do something. You looked down at your desk. After a moment, you knew what you were going to do. You looked back up at him with a huge smile, sticking out your tongue cutely and winking. KoroSensei didn't even do so much as wiggle a tentacle. He was still just... staring. For a moment, it seemed like time had frozen. But, then he spoke.
"Nobody leaves, not until somebody makes me uncomfortable." He says grinning widely, green stripes appearing vibrantly on his face. Almost immediately, everyone stares at KoroSensei blankly, just as he was before. You didn't though, you knew something that would make him squirm. You got up from your desk, and pushed your chair in. KoroSensei's eyes narrowed as he watched you warily. You picked up your pencil and began to walk very slowly towards him. Nagisa looked at you intently, he knew you better than anyone else in this class, but he didn't know what was about to happen. You grinned slightly, and stopped, five inches from KoroSensei. If he wasn't uncomfortable yet, he would be in the next couple seconds. You took your hand and put it on KoroSensei's chest, pushing him quickly against the blackboard. You put your arms on either side of him, surrounding him, and then, swiftly, you took your pencil and bit down on it, and then, you moaned. KoroSensei eyes widened and he pressed himself against the blackboard, sweating, his green stripes disapearred. You knew he was already uncomfortable, but you decided to rub it in. You grabbed his necktie, and pulled him down to your eye level. You whispered in his ear.
"I love you.~ Sensei.~" KoroSensei gently pushed you back, clearly uncomfortable and flustered.
"C...C-class... is... D-dismissed." He stuttered. The entire class could only stare as KoroSensei made his way to the chair at his desk. Nagisa stared at you in shock. The quiet girl in the class, Okida, blinked cutely.
"Well, I guess we can leave now!" She simply got up, packed her things, and walked out. The rest of class also packed up their things, and left. All except you, Nagisa, and KoroSensei of course. Nagisa put on his backpack and walked up to you.
"What did you say to him (Y/N)? He's in a trance... again..." Nagisa asked, staring at KoroSensei. You smiled.
"Oh! I said 'I love you Sensei.~'" KoroSensei flinched at the words. Nagisa grinned.
"Nice one. See ya tomorrow okay?" Nagisa says, and leaves the classroom. As soon as he left, you felt breathing down your neck. You gulped, and turned around. KoroSensei was standing over you, he looked really pissed.
"You humiliated me in front of the entire class. You know how I am when it comes to that sort of thing.~" He says sweetly, but in a way that was more creepy than calm.
"You humiliated yourself. If you didn't want to be humiliated, you wouldn't have acted that way. You need to step up your game Sensei!" You grinned. He was left speechless, and you left without another word.

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Thanks for reading the first chapter! I know it's a little lengthy, but I had to give a proper introduction! Anyway, let me explain what's going on in the rest of the story. There will be lemon, and fluff, basically like mature adult stuff like PG-13 and R rated moves. So if you are a little young, I would recommend staying away from this story. Don't worry, I'll warn you when there's adult stuff in case you want to read anyway!~