Mafuyu is the no-nonsense, take-charge and hard-hitting leader of her high school gang. But when she gets expelled for being a delinquent, her mother, fed up with her daughter's wayward ways, sends Mafuyu to an isolated school far off in the country.

Troublemaking student council chairman Hanabusa thinks the best way to solve the problem of two similar clubs at school is to have them fight to the death! Actually, the losers just have to disband their club. But a silly club rivalry quickly gets out of hand when Mafuyu is kidnapped by the enemy!