Guizi (Ahizi Kikuchi) has been dating her boyfriend for many years, thinking that she can finally get into the right fruit and get married together. However, one day, the boyfriend told Guizi that he had decided to get married, but the bride was not a noble son. To make matters worse, Keiko and her boyfriend are colleagues who work in the same office. While she lost her lover, she also lost her job. Keiko, who lost everything, officially entered the trough of her life, and the pressure from her family made her breathless. One day, Guizi received a call from Uncle Wu (Gangzhi Naito), who runs a second-hand bookstore in Shenbaocho, hoping that Guizi can live in the store and help him look after the store, although Guizi is very unaccustomed to Uncle Wu's wild personality. but as far as the current situation is concerned, she can only go. With the passage of time, life in the bookstore not only cured Keiko, but also allowed her to find a new direction in life.