How many movies have Fumiaki Kouta and Shingo Yamashita collaborated on?

They have worked on 3 movies together! Their first movie together was Welcome to the Space Show (2010) while their highest rated movie together was Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011). They have not worked together since Backflip!! The Movie (2022). They are most known for their animation films together.