How many movies have Kyōko Kanō and Setsuko Ōyama acted in together?

They have worked on 4 movies together! Their first movie together was Enka Jôshikô: Kizudarake no Kaben (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).