[Sawajiri Merou] Kinshin Chikan Hakusho-Incestuous Groper Case Files Part 3

A nervous young man finds himself thrust into a twisted incestuous groper case when he’s paired with his sister on a cramped train, sparking heated confrontations and secret cravings. The tension escalates as they’re forced into intimate encounters amid the roar of the crowd, their bodies drenched in sweat and desire. Will their forbidden bond survive the relentless pressure of the case files, or will the lurking perversity consume them both?