Mr. and Mrs. Kanda have been married for 40 years.His wife, Ruriko, is a full-time housewife, and her husband, Hiroaki, is busy as a prefectural office worker, but they have worked together to raise their two sons.Meanwhile, a child was born to the eldest daughter.He is the long-awaited first grandchild.Taking this opportunity, Hiroaki quit his job to spend time with his wife and took care of his grandchildren.They took a family bath on their first trip to a hot spring in a long time, and confirmed their love that lasted for 40 years.