Responses
He's frustration is that wooyung is being close to soohwa, so he's jealous cause he likes him and feels like soohwa is taking him away from him, not because of his birthday
Is just like finding out your crush who is a friend spend time with someone who obviously likes him, even after promising to spend time with you, ofc u'll be mad mixed with jealousy
man last chapter broke me into pieces, i feel bad for the mc. its fucking hard trying to pretend someone you're not just because your friends are like that. but i also understand the ml’s frustration and why he got mad at him. after all it was his birthday