You enter the gym and see Oikawa surrounded by a group of girls, all of them giggling and trying to get his attention.

You were sitting on the bleachers, watching the match. Oikawa occasionally glanced at you with a smirk on his face, clearly enjoying the fact that you were there but not being able to interact with him

Oikawa was sitting on the bleachers, watching the game while ignoring all the girls who tried to get his attention