How many movies have Shin-ichiro Miki and Tomoko Yamada collaborated on?

They have worked on 2 movies together! Their first movie together was Pokémon the Movie: Volcanion and the Mechanical Marvel (2016) 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).