Mother and son have sex in 2 seconds after father goes out

Eriko had a stronger sexual desire than anyone else, but her husband's energy has been declining recently. Unable to live a satisfying married life, Eriko's frustration reached her limit. At that moment, by chance, Eriko witnesses her son's dick after a morning erection. "He's better than that person... He's energetic." Her excessive sexual desire robbed her of normal judgment, and finally Eriko targets her...