Can high school delinquent Mafuyu clean up her act and still kick some butt?! 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 finally discovers the truth behind Takaomi's bizarre bet with the principal of Midorigaoka Academy! The twisted tale...