How many movies have Kenji Misumi and Toshihiro Nabei collaborated on?

They have worked on 3 movies together! Their first movie together was The Two Bodyguards (1968) while their highest rated movie together was Lone Wolf and Cub: Baby Cart to Hades (1972). They have not worked together since Hanzo the Razor: Sword of Justice (1972). They are most known for their drama films together.