How many movies have Akira Kamiya and Michihiko Suwa collaborated on?

They have worked on 11 movies together! Their first movie together was City Hunter: .357 Magnum (1989) while their highest rated movie together was City Hunter Special: The Death of Vicious Criminal Saeba Ryo (1999). They have not worked together since City Hunter: Shinjuku Private Eyes (2019). They are most known for their animation films together.