Weekend. A young salaryman living with his wife in a certain place in Tokyo was hurriedly tidying up the house to welcome his mother-in-law, who was about to visit. His wife's mother, who lives in the countryside, is coming to Tokyo by train to see her daughter and son-in-law. Hearing the doorbell ring, the son-in-law involuntarily held his breath, anticipating the voluptuous figure of his mother-in-law, Miyamae Yukie, who would soon enter the house.
