How many movies have Chafurin and Michihiko Suwa collaborated on?

They have worked on 10 movies together! Their first movie together was City Hunter: .357 Magnum (1989) while their highest rated movie together was Detective Conan: Episode One - The Great Detective Turned Small (2017). They have not worked together since Child of Kamiari Month (2021). They are most known for their animation films together.