The Seiko will meet a family of Kunihiro of the lover. However, the sensual family where his family is terrible. The Seiko was held in his father, Yoji, but his technique gave the pleasant feeling that I had not tasted in Seiko so far. When Seiko was provoked by Stepmom, Mitsue of Kunihiro and visited the house again a few days later, a daughter, the Kumi which was not connected of the blood had sex with Yoji. Were Seiko confused more and more, but oneself is reminded of it by the Koto which is a similar human being before long….