Misho (Minato), who had been married for 15 years and had no children, had a happy life. - However, his life changed completely when his father-in-law, Akiras dementia, became so severe that he was forced to take care of him. - Occasionally misunderstanding his deceased mother-in-law, Misho approaches sexual harassment and finally Misho gets angry. - However, Akira, who misunderstood even that as his wifes sullenness, pushed Misho down. - Misho was shocked by her father-in-laws sexuality, which doesnt suit her age.