A few years after Chisato gave birth to her daughter on behalf of her. The relationship with his son-in-law ended naturally, and he returned to life alone. Ahead of that, a younger sister and daughter couple appeared in front of Senri with a painful look. And I asked Chisato to give birth on my behalf, just like when I was an older sister. Chisato was pitch black in front of her, but she had no choice but to shake her head vertically because she didn't want to see her sad face. Then the daughter listened to her mother Chisato's period and investigated the possible implantation dates. Three people in the bedroom with a tense look. While the daughter is watching, the act between Chisato and her son-in-law begins. Chisato was paralyzed by the young man again, thinking that he should not feel it. While accepting my son-in-law's sperm inside, I felt the sexual desire that boiled in me. I landed safely, and my sister and her husband had a healthy baby. Chisato stares at that figure, but her gaze is directed at her son-in-law ...