How many movies have Mina Tominaga and Miyako Higashi collaborated on?

They have worked on 1 movie 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: Twinkle! Princess Vanilla Of Ice Cream Land (2019).