How many movies have Eiko Yamada and Miyoko Asô acted in together?

They have worked on 2 movies together! Their first movie together was Andromeda Stories (1982) while their highest rated movie together was Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991). They have not worked together since Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991).