Kaoruko, the daughter of a doctor and attending a prestigious high school in Fukuoka, was vaguely anxious about the future. She's even more scared when her friend Natsumi invites her to membership-based prostitution club.

The ephemeral and vivid brilliance of three men and a woman run through Yokohama.

13th installment of the 16-film franchise.

Based on the manga by Sadao Jouji which has been running in the magazine Shukan Gendai since 1969.