Yankee High School Girl 9 ~Nagano's Strongest Legend~ (2012)
Kibougahara Girls' Academy is a rehabilitation institution for delinquent high school girls. The principal, Sakaki (Shinra Bansho), boasts that he has "rehabilitated 4,000 delinquents in the past," but the reality is that the school is a hellish place where sexual abuse of students is rampant. Chihi