Ayu, who is asked by her older sister, Yoshiko, who cannot bear children, and is forced to have a surrogate pregnancy with her brother-in-law. Ayu, a rebellious sister, refused to have sex with her brother-in-law because of her physiological disgust, but in the evening a few months later, she decided to make up her mind. Every time she and her brother-in-law overlap, Yoshiko's attitude becomes harsh, and the relationship between the three changes to a disturbing one. I woke up to The second drama about a "surrogate pregnancy" that depicts the perverted love and hate of a sister and a brother-in-law!