How many movies have Kentaro Tsubone and Tomohiro Kamitani collaborated on?

They have worked on 4 movies together! Their first movie together was Fate/kaleid liner Prisma☆Illya: Vow in the Snow (2017) while their highest rated movie together was Sing a Bit of Harmony (2021). They have not worked together since Sing a Bit of Harmony (2021). They are most known for their animation films together.