How many movies have Junko Takeuchi and Kumiko Kakoi collaborated on?

They have worked on 2 movies together! Their first movie together was Digimon Adventure tri. Part 4: Loss (2017) while their highest rated movie together was Digimon Adventure tri. Part 5: Coexistence (2017). They have not worked together since Digimon Adventure tri. Part 5: Coexistence (2017).