How many movies have Miyachi and Yuichi Nakamura collaborated on?

They have worked on 3 movies together! Their first movie together was Donten: Laughing Under the Clouds - Gaiden: Chapter 2 - The Tragedy of Fuuma Ninja Tribe (2018) while their highest rated movie together was Donten: Laughing Under the Clouds - Gaiden: Chapter 3 - Conspiracy of the Military (2018). They have not worked together since Mr. Osomatsu the Movie (2019). They are most known for their animation films together.