Shiho, who lives with her husband and father-in-law, was having trouble getting pregnant with her husband, and the relationship between her husband and wife was getting worse. From stress, Shiho gradually began to wear flashy clothes, and began to take care of his father-in-law with a scent. My father-in-law who gets an erection while being surprised by the color of Shiho ... Seeing that, Shiho instinctively seeks pregnancy and copulation with his father-in-law.