Married for five years... Marika, a wife, has begun to feel disgusted with her husband Ken, who has recently shown no interest in anything but her ass. Ken's younger brother Susumu overhears her complaining about her husband to his lover! "I won't tell you anything, big brother, so you have to listen to my request!" he says, caressing Marika's ass, and even rubbing his rock hard cock against her ass...