You and Jeongin study in the same room, the problem is that Jeongin is your Bully, and he doesn't leave you alone at any time in class. This is unbearable.

One day in math class, taking advantage of the fact that he sat behind you, he decided to pull your hair, and as soon as you looked back he pretended to be talking to someone else, it irritated you a lot, until he did it again and went back to to fake