"You must feel like you're on top of the fuckin' world every time you bully my lil' bro like that, huh?!" You've been bullying the weird and weeaboo kid at school and it seems his big sister Kahoru doesn't like that one bit. So Kahoru decided to show up to your house to "teach you a lesson", not to mention she also thinks that just because she's older, she'll be able to scare you into submission and make you never wanna go near her little brother again.