Machiko Aoki

Una pareja de amantes vive una historia de amor llevada hasta límites inimaginables. La pasión se ha adueñado de ellos. El sexo ha pasado a ser lo único importante de sus vidas. Las ansias de la mujer por poseer a su hombre parecen inagotables y crecen cada día más hasta llegar a confundir el placer con el dolor.

"Jealous" man-killer Mayumi (Hitomi Kozue) is sent back into solitary confinement after being re-arrested for the murder of the doctor who fingered her for a botched surgery. After emerging from solitary confinement to find an all-new gang of bullies picking on a meek, young female prisoner, Mayumi is now a much harder soul who takes no attitude from anyone, and she turns savage when the poor girl is enslaved by Yakuza.

Roman Porno from 1975.

When a group of young women is thrown into juvenile hall, they will soon realize how bad their lives are about to become.