How many movies have Chizuko Kusakabe and Hiromi Niioka collaborated on?

They have worked on 4 movies together! Their first movie together was Pokémon the Movie: Genesect and the Legend Awakened (2013) while their highest rated movie together was Yo-kai Watch: The Movie (2014). They have not worked together since Pokémon the Movie: I Choose You! (2017). They are most known for their adventure films together.