乱姦倶楽部

Yui's mother Azusa has recently remarried. One evening, Yui and her husband are visiting her mother and her new husband, when Azusa, having had too much to drink, begins pressing Yui about her sex life. Before long, Azusa is giving her husband a blowjob, right in front of her daughter. Isn't it exciting doing it in front of others? Yui's life is about to change...