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. Chihiro (Nishina Momoka) enters the school alone. Her goal is to rescue her best friend, Misuzu (Yume Kana), from the school... One after another , Chihiro is assailed by a number of dark desires and traps. Will Chihiro be able to rescue Misuzu from her sexual hell? The ninth installment of the smash hit series, featuring popular J-cup sexy idol Nishina Momoka! Don't miss this shocking production, co-starring with the famous Yume Kana! Yoroshiku!