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.
Mitsuko Kusabue
Aiko Satō
Toshiaki Karasawa
Shin'ya Yoshikawa [Editor]
Miki Maya
Sugiyama Kyoko [Aiko's daughter]
Tae Kimura
Yoshikawa Mariko [Shinya's wife]
Sawako Fujima
Sugiyama Momoko [Aiko's granddaughter]
Mamoru Miyano
Kurata Takuya [Editor-in-chief]
Runa Nakashima
Yoshikawa Miyu [Shinya and Mariko's daughter]
Kataoka Sennosuke
Mizuno Shuichiro [Editorial department employee]
