How many movies have Hiroyuki Sawano and Yuki Kaji collaborated on?

They have worked on 9 movies together! Their first movie together was Blue Exorcist: The Movie (2012) while their highest rated movie together was Attack on Taikan (2014). They have not worked together since The Seven Deadly Sins: Grudge of Edinburgh Part 2 (2023). They are most known for their animation films together.