Yankee High School Girl 6 ~Hachioji's Strongest Legend~ (2011)

Synopsis

Sakurako (Ogura Nana) was the leader of the Jonan Ikka, a militant biker gang said to be the strongest in Ibaraki Prefecture. Sakurako's name makes everyone tremble, but in fact, her secret dream was to "become a normal girl...!" A dream she had given up on, thinking it would never come true . However, one day she was transferred to a high school in Hachioji, and Sakurako tried to change her image into a serious high school girl all at once, but the rumors of her being a "legendary delinquent" continued unabated... The sixth installment of the extremely popular series! Top idol Ogura Nana goes one-on-one! She goes wild!