Incestuous [silence] Incest. My father is next door...

Daisuke has had a relationship with his mother for some time. Compared to the mothers of his friends, Daisuke's mother was lustrous and had a body that suited men, which was something that Daisuke was proud of and found stimulating, and before he knew it, he wanted to have her all to himself. One day, Daisuke bumps into his parents making love to each other. ``Why are you doing this with my father when you're doing that with me?'' Daisuke, trembling with anger and jealousy, gropes his mother's body fiercely, even though his father is by his side...