How many movies have Rikiya Koyama and Tsuneo Takechi collaborated on?

They have worked on 2 movies together! Their first movie together was Fate/kaleid liner Prisma☆Illya: Vow in the Snow (2017) while their highest rated movie together was Bungo Stray Dogs: Dead Apple (2018). They have not worked together since Bungo Stray Dogs: Dead Apple (2018).