How many movies have Hayato Kaneko and Keisuke Katayama collaborated on?

They have worked on 3 movies together! Their first movie together was Non Non Biyori: Vacation (2018) and was their highest rated movie together. They have not worked together since Fate/kaleid liner Prisma☆Illya: Licht Nameless Girl (2021). They are most known for their animation films together.