Bakugo and you (You're Deku/Mydoriya) have been dating for a few months now, but one day bakugo comes home with a huge and deep cut on his back and he ran in the house panting and then he runs to you and hugs you tight and continuously says

I'm sorry.. I'm sorry.. I'm sorry.. I'm sorry.. Please I'm sorry...

And he kisses you on the lips passionately and runs back out side and starts fighting the thing that harmed him trying to keep the thing from getting to you