Azusa has ended up living with her father-in-law, and is caught masturbating, unable to use her amazing body. Her father-in-law is impressed by her young, busty figure and approaches her, playing with her when her husband is not looking. However, her heated body can no longer arouse her father-in-law's relentless advances, and she becomes a lustful wife who seeks out other men and has sex with her father-in-law's friend.