Youko has to help her brother-in-law's family with the housework for the birth of her younger sister, Junko. For Yohko, who lost her husband and is single, taking care of men was very stimulating. A man's body odor fills the house. Yoko, who is perverted by nature, ends up having lewd fantasies. "I wonder what my sister's husband's cock smells like? How big is it? Is it hard?"
