My mother, Tsubasa, has to live alone for a while due to my father's hospitalization. - The daughter and her husband, who felt sorry for Tsubasa, decided to live together. - However, day by day, arguments between the daughter and her husband become more frequent, and a disturbing atmosphere begins to emerge. - The daughter, exhausted from caring for her father, only pushes back against her son-in-law's requests. - In an attempt to comfort her son-in-law, Tsubasa gives him a massage, but the feel of her soft breasts as she applies pressure makes him horny.