How many movies have Koichi Yamadera and Tetsuo Yajima collaborated on?

They have worked on 4 movies together! Their first movie together was Pokémon the Movie: I Choose You! (2017) while their highest rated movie together was Pokémon the Movie: Secrets of the Jungle (2020). They have not worked together since Pokémon the Movie: Secrets of the Jungle (2020). They are most known for their fantasy films together.