How many movies have Akira Takahashi and Hiromi Higuchi collaborated on?

They have worked on 5 movies together! Their first movie together was The Man with a Shotgun (1961) while their highest rated movie together was Oryu's Passion: Bondage Skin (1975). They have not worked together since Yakyukyo no uta (1977). They are most known for their crime films together.