The film depicts a coming-of-age story centered on the two sugar babies, Kotone, who is unemployed, and Sakura, a college student, in the coronavirus pandemic, as they try their best to live at the mercy of frivolous men.
The 1973 novel was written by Kobo Abe and follows a nameless man who gives up his identity to live with a large cardboard box over his head, encountering a range of characters as he wanders the streets of Tokyo。