How many movies have Showtaro Morikubo and Yasunari Usuda collaborated on?

They have worked on 6 movies together! Their first movie together was Road to Ninja: Naruto the Movie (2012) and was their highest rated movie together. They have not worked together since Code Geass: Akito the Exiled 5: To Beloved Ones (2016). They are most known for their animation films together.