The erotic Drama of the shock that I described relations of the Kindan called a bride and the father-in-law in openly. The Youko which I live on university student, Mika of a father-in-law, Kokichi and the daughter and three for at the parents' house of the husband. One day the Youko is introduced a boyfriend from Mika. It was Tatsuya Yamazaki who did former Private Teacher of the Mika. The Youko is called by Tatsuya and is confessed later when I actually keep company with Mika because Youko is unforgettable. The Youko founds a crotch while knowing that it is the lover of the daughter….