Raped by my father-in-law... Beautiful wife playing

Miku, a wife whose husband, Masahiko, suddenly became impotent and is unable to bear his aching body. After Masahiko leaves for work, Miku takes out his massager and indulges in masturbation...his gaze sneaks a peek at her through the crack in the door. It was her father-in-law, Eiji, who suddenly arrived without any notice. Eiji sneaks into the couple's room without permission and searches for Miku's underwear and cosmetics. Eiji, who knows that the couple's night life is not going well, forces Miku's aching body...