Forbidden urge

This is my second time writing a smut story so it will be bad, at least I've added some sort of plot here, right?

-Mio <3

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Au: Professor x Student

(Sanemi = Professor, Giyuu = Student)

Ship: Sanegiyuu

Amount of Chapters: 1

Rating: NSFW

Giyuu is falling behind in class and decides it's a good idea to go and see if he could get his grades up by talking to his teacher.

It goes horribly wrong.

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The sound of a hand slamming against wood echoed through the office. It was quite a large room with a couch in the far corner, his desk up the back by the wall, there was a mini-fridge behind him and in front of the couch was a coffee table. The room was large but it gave a cozy feeling when you were inside it.

With a sigh Sanemi Shinazugawa got up and walked over to his office door, he was alone all night and left to mark papers for most of the night. Opening the door he found one of his students, "Tomioka..? I thought you had to leave early to watch your sister?" Sanemi said gently, opening the door and letting the boy in.

This school was a collage; all students were above eighteen and all teachers were also. "I was but my elder sister came home early and she said I should come talk to you about doing catch-up night classes since I'm falling behind." Giyuu said as he walked in and sat down on the couch, looking up at the man with large, innocent eyes which were pleading at him.

A thought crosses Sanemi's mind and he shook his head, trying to dismiss it while he sat besides the boy, a leg crossed over the other. "Your elder sister isn't doing the night shifts anymore?"

"No, she asked to be taken off them since she has to help me take care of Shi." Giyuu said, playing with his fingers "she wrote a note if you need proof."

"No, no. I believe you Tomioka." Sanemi rubbed his head "I don't think you're behind, you might be ahead of everyone, you put a lot more effort into it then everyone else."

"Oh.." the blue-eyed boy said with a soft sigh "really?"

"Really, even Kochou is explaining how much of a high achiever you are in her classes." Madam Kochou was an English professor who never praised anyone and never really cared for her students' wants or needs. "Don't worry about your grades, but if you are that worried then how about we go through the topics that will show up on this week's quiz to help jog your memory?"

Giyuu nodded with a smile, he had no idea what was coming for him.

******

It was now 01:00am and Sanemi couldn't get the thought of this boy, who was beside him laying on his back, naked and moaning his name. He tried to ignore it but it didn't work, he was doing his best at hiding his boner "are you feeling better about your studies now?"

"I am thank you sir!" Giyuu smiled, he was more expressive when they were having a one on one conversation then when they were having a full class one. "Is there something I can do to thank you for your help?"

"Get an A on the quiz, if you do I'll give you a prize." Sanemi wouldn't hold back his urge then, he would fuck the smaller, in the middle of the classroom, when everyone else had left.

******

Giyuu had once again got an A on his quiz and was being made to stay behind due to his teacher wanting to give him a surprise treat or something, he hadn't really been paying attention to what it was but something told him it had to do with the lump in his teacher's pants. "You wanted to see me, sir?"

"You got an A." Was all Sanemi said before making Giyuu sit on his desk "so as i said, i'll give you a treat." Sanemi smiled and stood, grabbing a bottle and a packet out of a drawer, Giyuu stopped paying attention to what was happening when he noticed the clear substance was apple flavored.

Sanemi pulled the smaller's pants and underwear down, snapping him back to reality with a squeak and a flush running up his neck to his face "sensei?"

"Calm down." was all Giyuu got from his teacher before he could feel something large, wet and circular entering him, he bit down on the wool of his long sleeved shirt and held in a cry, it hurt like hell. Sanemi, of course, didn't pay attention to the smaller and started to move his hips, thrusting in and out of the boy.

"H-hurts.."

Sanemi kissed the top of his head "bite my shoulder if it gets too painful." Giyuu was too tight for him to do exactly what he wanted but it didn't matter, he kept thrusting into his ass while Giyuu bit down on his teacher's shoulder, hard.

Sanemi didn't care though, the only thing he seemed to care about was how good it felt to fuck the smaller whom had made him horny for the past year with his big, blue innocent eyes.