How many movies have Minami Takayama and Ryota Yamaguchi collaborated on?

They have worked on 3 movies together! Their first movie together was Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991) and was their highest rated movie together. They have not worked together since Escaflowne: The Movie (2000). They are most known for their animation films together.