The two newest arrivals to Toudou Academy, Souichiro and Bob, have been causing a lot of trouble. They attract the attention of the school’s Enforcement Group, which has had tyrannical control over the place for years. In order to overthrow the enforcement group, Souichiro and Bob join the Jyuukenbu, a small club that has been opposing the group. As they learn more about Toudou Academy’s history, the leader of the Jyuukenbu, Natsume Maya, reveals more about her connection to the enforcement group’s president. In order to avoid repeating a deadly incident from the past, Souichiro and Bob take it upon themselves to get stronger and defeat the enforcement group.