Reiko got married at a young age and gave birth to Tatsuaki. Her husband was also a supportive and happy family. However, as Tatsumei grew older, the couple gradually became sexless, and the husband's cheating was discovered, and the couple's relationship cooled down. When Tatsumei became a university student and left his parents' home, divorce became a reality, and all that was left was to report it to Tatsumei and file a divorce paper. When the university entered summer vacation and Tatsuaki returned home, Reiko decided to meet her at the station to report her divorce.
