How many movies have Akira Kamiya and Minami Takayama acted in together?

They have worked on 18 movies together! Their first movie together was Case Closed: The Time Bombed Skyscraper (1997) while their highest rated movie together was Detective Conan: Three Days with Heiji Hattori (2007). They have not worked together since Detective Conan: The Raven Chaser (2009). They are most known for their animation films together.