Chikan densha: yume yubi no atsui shirabe (2012)

Inside the train during the morning rush. Also on board are Genta, an old man whose hobby is molestation, his partner Tatsuo, and Ken, a thug who lures women into extorting money in exchange for molestation. Today's prey for Genta and Tatsuo is Kumi, a high school girl, and Yuka, who looks like an office lady. However, the true identities of these two women are...