Katsuki Bakugo.

Kirishima: I’m gonna party all night! Denki: Me too! *grins* Bakugo: *sitting down in a corner with his legs crossed with a drink in his hand and a slight smile on his face* Deku: Kacchan! What are you doing over there? Come celebrate with us! *grins brightly* Bakugo: *Sighs* Fine. *gets up and walks over* Happy? Deku: Yeah! Bakugo: *rolls eyes, but smiles a bit.* Uraraka: *looks around* Have you guys seen Y/N? Denki: No. Bakugo: She/He is in the bathroom. Deku: She/He is missing out.