How many movies have Hiroyuki Mitsumoto and Ryusei Nakao collaborated on?

They have worked on 3 movies together! Their first movie together was Go! Anpanman: Apple Boy and Everyone's Hope (2014) while their highest rated movie together was Go! Anpanman: Twinkle! Princess Vanilla Of Ice Cream Land (2019). They have not worked together since Go! Anpanman: Dororin and the Transformation Carnival (2022). They are most known for their family films together.