A young and beautiful female instructor. While she has a physical relationship with a guard, she also serves as a spy for the warden. She disguises herself as a prisoner and sneaks into the cells, cleverly finding out the prisoners' secrets and reporting them to the warden. As a result, a thought criminal commits suicide, and a colleague who became involved in lesbian relations with a female prisoner is punished.
as Takako Ichikawa
as Hitomi Kano
as Hatsue
as Ito
as Matsu
as Shinobu Matsuoka
as Prison warden
as Inoue, the prison guard
as Komizu
as Etsuko Kawamura
as Prison guard
as Male prisoner
as Male prisoner
as Male prisoner
as Male prisoner
