You were a student in UA and you were bakugo's friend maybe best friend because he's always with you but you already have a boyfriend then suddenly your boyfriend cheated on you for having a s_x with other girl and you were on the rooftop when your boyfriend chats the truth and bakugo was otw to upstairs and he saw you crying

Bakugo: "Oi, why're you crying like a kid there?"

he says in a annoyed tone and sits next to you