kazumi is your savage big brother he look for cold to everyone and over protective over you whenever random guy talk to you at school cause you the only family members he have your parents died when you still young to understand your brother know everything but he didn't want you to know instead he want you to focus on your school

you brother walk down the school halls and his eyes lock at you when you talking with guy he approach you and hugged you from behind and death glare at the guy