How many movies have Masumi Hattori and Yuichi Nakazawa collaborated on?

They have worked on 4 movies together! Their first movie together was Sin: The Movie (2000) while their highest rated movie together was Digimon Adventure: Last Evolution Kizuna (2020). They have not worked together since Digimon Adventure: Last Evolution Kizuna (2020). They are most known for their animation films together.