My mother has remarried Yohei-san for 3 months. I'm still not used to suddenly having a new dad. Accidentally I saw my mother making love to him, I saw her feeling extremely happy. I also want to be like my mother! So I asked him to do to me the same thing he did to his mother, he seemed very expectant. So we started this incestuous love affair. And the needle in the bag finally came out, my mother got suspicious and caught us red-handed...