Rimi Sana is a sheltered rich girl attending a famous private all-girls school. She spots a man who seems to be depressed and, with the intention of helping him, strikes up a conversation. The man is an executive of the secret female body training club 'Inkaku.' An innocent young beauty falls into a trap and becomes prey to perverted sadistic old men. Her body responds to the overwhelming torments, transforming her into a masochist. Sana grins with delight as she engulfs the penis.
