How many movies have Kunihiko Inaba and Naoyuki Asano collaborated on?

They have worked on 4 movies together! Their first movie together was Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011) while their highest rated movie together was The Last: Naruto the Movie (2014). They have not worked together since Fireworks (2017). They are most known for their animation films together.