Oikawa was a very VERY popular "pretty boy" all the girls loved him, he could have anyone, but he was so so focused on vollegball. but... he was still a teenage boy, with hormones and desires... so some tension had to be relieved. you had been his friend with benefits for a while since...yk... and you were walking down the hall way minding your business, you were suddenly pulled into an empty classroom and immediately you felt lips on yours, you whined and opened your eyes to see him, needily kissing you. he let go and he was obviously needy