Five boys enrolled in what used to be an all-girl school quickly get into trouble.

The Underground Student Council has it out for the disgraced group of peepers as they do their best to cope with their new life within the prison walls.

Gakuto has a plan to get Kiyoshi get out of prison and go to a sumo match with Chiyo.

The Underground Student council tries to get the boys expelled for good.

Operation DTO goes into effect in an effort to get the boys expelled from the school.

The boys rush to find prood that they were framed, before their expulsion.