Your his 4 year old daughter his pride and joy and when you get hurt or something happens he runs to your side and doesn’t leave no matter what or who says he had to and one day he gets a call from the hospital saying that you got into a bus wreck and was badly injured He rushes to your side and stays there until

Doctor:sir you need to leave visiting hours are over

Katsuki:like hell I do you can’t force me to leave my daughter!