How many movies have Ayumi Arahata and Shizuo Kurahashi collaborated on?

They have worked on 3 movies together! Their first movie together was Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011) while their highest rated movie together was Trigun: Badlands Rumble (2011). They have not worked together since Your Voice -KIMIKOE- (2017). They are most known for their animation films together.