How many movies have Kappei Yamaguchi and Kazuya Nakai acted in together?

They have worked on 30 movies together! Their first movie together was One Piece: The Movie (2000) while their highest rated movie together was Death Note Relight 1: Visions of a God (2007). They have not worked together since One Piece Film Red (2022). They are most known for their animation films together.