Poruno repōto: Kinpatsu panma (1976)

Directed by Akitaka Kimata

Two men who run an operation of offering prostitutes disguised as masseuses to inns and resorts lose their best wage earner. Desperate to find a replacement they try to recruit women off the street until they finally scout a white woman and a black woman who are willing to work for them. Business booms as hotel clients get a taste of exotic excitement.