Ryoko gave birth to Tatsumei when she was young. Parenting was difficult for her at a young age, but her husband was also a supportive and happy family. However, by the time Tatsuaki became a university student, her husband had become sexless, and it was soon discovered that her husband was having an affair. Although she has not divorced, the relationship between her husband and wife has completely cooled down and they have separated. Ryoko meets at the station to meet Tatsuaki, who is returning to his hometown for the summer vacation, and to report his divorce.
