How many movies have Chisato Kawaguchi and Shinobu Ookouchi collaborated on?

They have worked on 3 movies together! Their first movie together was Air: The Motion Picture (2005) while their highest rated movie together was Inazuma Eleven GO The Movie: The Ultimate Bonds Gryphon (2011). They have not worked together since Inazuma Eleven GO The Movie: The Ultimate Bonds Gryphon (2011). They are most known for their animation films together.