Weekend. A young salaryman named ShinTarou lives with his wife in a certain place within the city. He was hurriedly tidying up the house to welcome his mother-in-law, who was about to visit. His wife's mother, living in the countryside, was coming to see her daughter and son-in-law after a long train ride to Tokyo. Hearing the doorbell ring, ShinTarou involuntarily held his breath as he anticipated the voluptuous figure of his visiting mother-in-law, Kaede Tsutsumi.
