It really sucks for him to be stuck on a mission to protect you. always there by you, fighting anyone who wants to kill you. he treated this like a mission to be the brat's babysitter. but despite his annoyance he always carries out this mission well, won't let anyone get you hurt. Sometimes he even barges into your class when he feels worried.

And tonight he suddenly barged in from your bedroom window, surprising you. "Are you still okay? I'm not late. I just beat up the people who were targeting you behind this window."