, originally released in Japan as Kankin kôjô: Kyonyû jokô-tachi no bôhatsu , is a 2007 pink film (pinku eiga) that blends gritty social commentary with the "women in prison" exploitation subgenre. Despite its low-budget origins as a direct-to-video release, it has maintained a cult following on digital streaming and DVD through 2021 and beyond. Plot Overview