How many movies have Eiichi Kusumoto and Hiroshi Mima collaborated on?

They have worked on 8 movies together! Their first movie together was Wrath of Daimajin (1966) while their highest rated movie together was Lone Wolf and Cub: Sword of Vengeance (1972). They have not worked together since Lone Wolf and Cub: White Heaven in Hell (1974). They are most known for their drama films together.