How many movies have Masafumi Watanabe and Noriko Izumo collaborated on?

They have worked on 6 movies together! Their first movie together was Fate/kaleid liner Prisma☆Illya: Vow in the Snow (2017) while their highest rated movie together was I Want to Eat Your Pancreas (2018). They have not worked together since Natsume's Book of Friends: Ephemeral Bond (2018). They are most known for their animation films together.