The lovely Shinobu is arrested and thrown into Asahi Female Prison for being an unwilling accomplice in a jewelry store robbery. She's to serve her sentence in the infamous Cell Block 21, a ... Read allThe lovely Shinobu is arrested and thrown into Asahi Female Prison for being an unwilling accomplice in a jewelry store robbery. She's to serve her sentence in the infamous Cell Block 21, a dismal area full of tough, sex-starved women.The lovely Shinobu is arrested and thrown into Asahi Female Prison for being an unwilling accomplice in a jewelry store robbery. She's to serve her sentence in the infamous Cell Block 21, a dismal area full of tough, sex-starved women.