After committing a heinous offense against Mari, Gakuto receives a drastic punishment from Meiko. Kiyoshi and Gakuto work desperately to break Kiyoshi out of the prison by having him impersonate a girl.

Shingo, on furlough from the prison, meets a girl named Anzu at the arcade in town. When Gakuto turns to his Guan Yu figurine for guidance, the tip of his sword falls off, starting a chain of events with momentous consequences.

Andre suffers a mental collapse when he goes for a week without receiving any discipline. Shingo takes Anzu to the movies, but finds his expectations betrayed. The Underground Student Council moves forward with their DTO project.

The boys are resigned to their upcoming expulsions, and spirits are low, until Gakuto, suffering a bout of temporary insanity, devises one last strategy to get them out of their predicament, if they can just buy enough time to pull it off.

Hana continues pressing Kiyoshi in order to exact her revenge, but Kiyoshi employs an adaptation of a classical military strategy to counter her. Once all the boys are locked into their cells for the night, will they be able to complete their plan?