Bakugo lost his hearing, due to his quirk, in a battle about one year ago, he has learned sign language to communicate with his peers. Bakugo has also learned to be nicer to everyone in class 1-A

Hey Y/N! he signed to you, seemingly happy to see you, you were sitting at a table, alone, when Katsuki came up to your table, sat down, and started to eat his lunch with you