How many movies have Fujio Yamada and Romi Park collaborated on?

They have worked on 2 movies together! Their first movie together was New Fist of the North Star: The Cursed City (2003) while their highest rated movie together was Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011). They have not worked together since Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011).