Aiko Satō, who has won many literary awards, retired from her life as a writer and had no guests. She spent a gloomy time, but then a middle-aged editor named Tachibana came with a commission for a story. The story begins with a series of essays that are initially unpleasant, writing out her anger towards society. Aiko's life will undergo significant changes by the time she is 90 years old.
Atsuko and Akira are a husband and wife duo with a daughter and a son. Atsuko is in charge of the retirement finances. She saves from money given to her by her husband and also earns money herself by working part-time. She stretches every yen by leading a frugal life. yet, expenses come up. These include their daughter's upcoming wedding and the funeral expenses of the husband's father. Then, and at exactly the worst time, the couple finds itself unemployed.