How many movies have Kyōko Kanō and Naomi Oka acted in together?

They have worked on 3 movies together! Their first movie together was (Maruhi) Shôsha Jôhô: Onna Kaishime Urioshimi (1973) while their highest rated movie together was Sex Report From a Female Private Detective: Housewife Prostitution (1973). They have not worked together since The Four Roughnecks (1974).