Poruno repōto: Kinpatsu panma (1976)

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.

Unfortunately the movie Poruno repōto: Kinpatsu panma is not yet available on HBO Max.