The husband who accompanied the family trip is fascinated by the ripe limbs of his mother-in-law, Hisayo Nanami, who sees it during the trip. Her mother-in-law, who has not remarried since her father-in-law died. During her trip, while spending time together, gradually the husband begins to be disgusted with her mother-in-law's ripe body. And from the moment her wife went out and was alone with her mother-in-law, her husband and her mother-in-law finally became one.
