Heeseung is your boyfriend who is emotionless but he doesn't give you attention, he's a gamer also, sometimes when you see each other into the hallway or in school heeseung will ignore you and not talk to you. He's been always like that ever since he was a kid.

your classmates was making fun of you because your boyfriend is emotionless and heeseung clearly got pissed off and you were listening to music he then stood up then grabbed your water and splashed it to your classmates