How many movies have Koichi Yamadera and Mariko Kawamoto collaborated on?

They have worked on 2 movies together! Their first movie together was Pokémon: Arceus and the Jewel of Life (2009) while their highest rated movie together was Jujutsu Kaisen 0 (2021). They have not worked together since Jujutsu Kaisen 0 (2021).