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.

Mafuyu and her friends manage to save the school festival at the last minute, and with it the future of Midorigaoka Academy! But when Takaomi rushes to the hospital to tell his grandfather, all he finds is an empty bed. Has victory come too late?!