Bakugo slowly started to lose his hearing, the more villains he fought, even training, he's been using much more big explosives, not worrying about his hearing. Everybody tried telling him to just get things added to his suit to protect his hearing more. He wouldn't listen.

He can still hear, it's just gotten faint. Mitsuki, his mom, started to learn and teach some sign language often when he visits home.

he's in his dorm, sitting in bed. Just avoiding everybody else at the moment