Sakuragawa Misuzu (Yume Kana), a second-year student in class 3 at Jonan High School, is a clumsy delinquent high school girl who is always the errand boy. Today, she is being asked to pay tribute by the members of the "Fuujin" gang, including Fukumoto (Konaka Bunta), who control the school. One day, Chihiro (Nishina Momoka), the lone wolf at the school, who is feared as the "Bloody Grim Reaper," appears before her. Misuzu witnesses Chihiro's ferocious strength as he beats up Fukumoto and his gang in an instant, and asks to become his underling... Meanwhile, the Fuujin gang's ferocious revenge begins, with Chihiro as its target. Yume Kana, the hugely popular idol who dominated the headlines in 2011, finally appears in this hit series in her first lead role in a drama!!