How many movies have Gengon Nakaoka and Raizō Ichikawa collaborated on?

They have worked on 9 movies together! Their first movie together was Sudden Attack of the Christian Lord (1959) while their highest rated movie together was Bloody Shuriken (1965). They have not worked together since Sleepy Eyes of Death 10: Hell Is a Woman (1968). They are most known for their drama films together.