Emiko was reluctant to be with her father-in-law while her husband was on a business trip. This is because my father-in-law had an interest in Emiko as a woman. While his son is away, his father-in-law finally has a relationship with Emiko. "Libido" in Emiko awakens to her father-in-law's vigorous energy and skillful sexual skills. Emiko has come to seek her father-in-law as a "woman".