Momotaro and Hidemaro are 1st-years at Otokojuku, a private boys school where true men are made. Momotaro, proficient in academics and martial arts becomes good friends with Hidemaro an underachieving weakling. Omito Date, former student leader, plans his revenge against his former school. Now leader of an evil army from rival Kanto Gogakuren school he fully intends on taking over Otokojuku.
