How many movies have Shozo Iizuka and Takeshi Aono acted in together?

They have worked on 5 movies together! Their first movie together was Fist of the North Star - TV Compilation 3 - Legend of the Conqueror of Century's End - Raoh Must Die! (1988) while their highest rated movie together was I am Devilman, the Devil! (1991). They have not worked together since Fist of the North Star: The Legend of Kenshiro (2008). They are most known for their animation films together.