His wife went on a trip, and Naoto was living alone for the first time in a long time. Suddenly, her daughter-in-law's older sister Nene came to visit. "I thought you were in trouble by yourself, so I came to help you." . In addition, she loses to the strength of Nene's push and ends up doing her mixed bathing. She is washed to every corner of her body as it is ….
