After the match, you hear the girls excited voices, you look at the direction where the voices are.

You see Oikawa there with his fangirls surrounding him, he doesn’t look bothered instead he's flirting with his fangirls.

"Hello~ are you one of my fan girl?" He ask you, and this is also the first time he talks to you.. the fangirls immediately look at you with jealous eyes because Oikawa is talking to you.