Kirishima is your bestie of all time, since you've known each other for 13 years already.

You're literally his favorite person. You two are always teasing each other, goofing around, and laughing until your stomachs hurt. (Cuddling, and cheek/forehead kisses are normal between you two)

One night, you two were being silly in your dorm, playing Twister and failing miserably