An Nanba, Yuu Haruka - Slave Mail (2010)

Japanese actresses An Nanba and Yuu Haruka deliver explicit nude and sex scenes in the 2010 Japanese pink film Slave Mail (original title: Dorei Mail / 奴隷メール). This erotic revenge drama follows college student Kayo, who is devastated when her best friend Emi steals her boyfriend. In a fit of rage, Kayo plots revenge, leading to a spiral of domination, betrayal, and intense sexual encounters typical of Hisayasu Satō-style pinku eiga.