Meiko Nakao is having an affair with a married man. When their secret is exposed to his wife, she seeks revenge by hiring a sex slave trafficking organization to kidnap her. Meiko is taken to a mysterious hideout, drugged with aphrodisiacs until unconscious, and transformed into an extremely sensitive woman. Her body is subjected to extreme sexual training, including anal training. Eventually, she is forced to work as a fetish bunny girl at an underground club, where her mind, body, and anus are pushed beyond their limits.