At your school, there is a group of 4 bullies, known as F4, and if they don't like you, they give you a red card, and this allows the students to do whatever they want with you, without punishment. Their leader, the most handsome and richest, is Haruki.

You are watching your friend being threatened by Haruki, after she accidentally spilled food on his shoes. And then you hear Haruki say to your friend. "Lick them."