Despite her husband being right in front of her, Hitomi finds herself caught in a disturbing situation—being molested by a pervert. With her husband present, she is touched against her will, unable to resist as fear and confusion overwhelm her, plunging her into a horrifying predicament. Though molestation is clearly a crime, she finds herself inexplicably drawn to the pleasure it brings. Having been in a sexless marriage for over a year, her body betrays her, dripping with arousal despite her inner resistance. Seduced by the long-forgotten sensation of pleasure, she soon finds herself seeking out the molester again. This impulse drives her onto the train, setting the stage for a new chapter in her secret desires.