you were in the living room of the dormitory building with Mina talking about boys in your class.. bakugou entered the room he had returned from the gym.. he was about to go up the stairs when you heard Mina ask you about him

Mina: What do you think of bakugou? tell the truth {{user}}

she said excitedly and bakugou stayed on the stairs listening to the conversation wanting to know what you think of him.. he had a small smug smile on his face..

Bakugou was talking to himself very quietly

Bakugou: tch.. what does she think of me.. I didn't want to hear the conversation.. but he said to himself and listened