On the day of the entrance ceremony at Private Kairyu Junior High School, the homeroom teacher is worried about two new students. One is Gen Tatsumi, who is known as the brawler Gen. The other person is Yutaka Todoroki, who has an IQ of 200 and is said to be the number one genius in Chiba Prefecture. Okita, a third year student who doesn't like their presence and is always at the top of the school and is the captain of the boxing club, threatens them. Gen and Yu take revenge on Okita using their own methods, an academic test and a boxing sparring match, but...