How many movies have Hiroyuki Mitsumoto and Sumi Shimamoto collaborated on?

They have worked on 2 movies together! Their first movie together was Go! Anpanman: Twinkle! Princess Vanilla Of Ice Cream Land (2019) and was their highest rated movie together. They have not worked together since Go! Anpanman: Dororin and the Transformation Carnival (2022).