Uraban joshi gakusei: Bôryoku kyôshitsu (1980)

"Ai no Ie Joshi Gakuen" (Girls' Home of Love) is a facility located in a seaside town, serving as a reformatory for underage female offenders transferred from juvenile detention centers. The film features numerous flashback sequences depicting the sexual experiences these girls had before their incarceration. As they endure the facility’s harsh, dehumanizing rules, the girls finally begin to rebel..