Kusaka interviewed women working in the sex industry for a documentary project: Yayoi, a housewife and adult film actress; Chisato, a female college student engaged in compensated dating, and her partner Hayashi; and Michiko, an office worker by day and sex worker by night. Subsequently, Yayoi appeared in an adult film with her husband, while Hayashi married Chisato despite knowing she was seeing another man. Feeling lost regarding the nature of men and women and hitting a wall in his work, Kusaka reached out to Michiko...
