A few years after Chisato gave birth to her daughter as a surrogate.Her relationship with her son-in-law ended naturally, and she returned to her single life.At that moment, her younger sister and daughter-in-law appeared before Chisato with a sorrowful look on their faces.And she told Chisato that she wanted me to be a surrogate just like her older sister did.Chisato's eyes were pitch black, but he had no choice but to shake her head because he didn't want to see her sad face.Then her daughter listened to her mother Chisato's menstruation and checked her implantation date.Three people in the bedroom with a tense look.While her daughter is watching, the act of Chisato and her sister-in-law begins.Even though Chisato thinks she shouldn't feel it, she's again numb with her young man.As she caught his son-in-law's sperm inside, she felt her libido boiling within her.She was successfully implanted and her sister and her husband had a healthy baby.Chisato stares at her, but her gaze is directed at her sister-in-law.