How many movies have Kayoko Kumagai and Toshiya Washida collaborated on?

They have worked on 3 movies together! Their first movie together was Fate/kaleid liner Prisma☆Illya: Vow in the Snow (2017) while their highest rated movie together was Yo-kai Watch: Forever Friends (2018). They have not worked together since Go! Anpanman: Twinkle! Princess Vanilla Of Ice Cream Land (2019). They are most known for their animation films together.