How many movies have Masanori Tsujii and Setsuko Ōyama collaborated on?

They have worked on 5 movies together! Their first movie together was Naked Rashomon (1973) while their highest rated movie together was Sex Report From a Female Private Detective: Housewife Prostitution (1973). They have not worked together since Female Ninja Magic: 100 Trampled Flowers (1974). They are most known for their drama films together.