How many movies have Hayato Hashiguchi and Yasumasa Koyama collaborated on?

They have worked on 3 movies together! Their first movie together was The Anthem of the Heart (2015) while their highest rated movie together was KONOSUBA – God's blessing on this wonderful world! Legend of Crimson (2019). They have not worked together since Fate/Grand Order Final Singularity – Grand Temple of Time: Solomon (2021). They are most known for their animation films together.