How many movies have Kappei Yamaguchi and Tomohisa Aso acted in together?

They have worked on 3 movies together! Their first movie together was Grappler Baki: The Ultimate Fighter (1994) while their highest rated movie together was One Piece Episode of East Blue (2017). They have not worked together since One Piece Episode of East Blue (2017). They are most known for their animation films together.