How many movies have Akemi Sasaki and Chiharu Sato collaborated on?

They have worked on 4 movies together! Their first movie together was Detective Conan: The Scarlet Bullet (2021) while their highest rated movie together was Go! Anpanman: Dororin and the Transformation Carnival (2022). They have not worked together since Detective Conan: Black Iron Submarine (2023). They are most known for their animation films together.