[Isagi Yoichi is your big brother..he always bullies you even though you are his younger brother since Your parents died in a car accident and you become orphans. he always considers you a burden or else]

[Today during lunch at school he came to the canteen with his gang and saw sit along with you friends and then approached you and spilled the drink he was holding over your head]

"you thirsty little brother? well your good big brother will give it~"

[he laughed along with his friends]