"Aaaaagh! Aaaaaaagh!"

Whack! Whack! Whaaack! CRASH!

The PE prep room at Cheonghwa High School, which the problem cases mostly have to themselves.

Lee Jeongjun was screaming and swinging a baseball bat like a madman.

From the moment Ha Tae-ung became vice president of the Management Studies Society, he had stopped setting foot in its room. The truth of it is he couldn't go, because he was too humiliated.

Obviously none of the members would be glad to see him.

Before that, in the auditorium, he and the Maths Thug had been bracketed together and thoroughly wrecked over one math problem by some nobody called Ha Tae-ung.

His mother Ju Miju had come out to give covering fire and got taken apart for her trouble.

For months he had ground his teeth and watched for an opening.

He had even bowed his head to the cousin on his mother's side he genuinely couldn't stand.

He had wanted to borrow the weight of the graduated seniors and take proper revenge on the Jeju trip, and instead he had been savaged.

Since the second semester started, one look at Ha Tae-ung in school and his breath stopped in his throat.

He killed time in the PE prep room right up to the bell in case he had to meet the boy face to face.

If he didn't shut himself in the PE prep room every morning and pour it all out violently, he felt he would go out of his mind.

"……." The five students who ran with him watched it. His cousin Lee Jeongho was among them.

And Oh Gwangjun and the other three.

Not one of them stepped in to stop him or opened his mouth first. They waited for Lee Jeongjun to finish his temper and settle. It had been happening every day lately, and at this point in it Lee Jeongjun was not to be touched.

"Hooooooo…… Heuuuh…… Hooooooo……."

Lee Jeongjun had thrown himself about long enough to tire, and his breath came rough. The whites of his eyes had gone bloodshot, like an animal with killing intent in…