How many movies have Kazuya Nakai and Umeka Shouji acted in together?

They have worked on 2 movies together! Their first movie together was One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends (2014) while their highest rated movie together was The Birth of Kitaro: The Mystery of GeGeGe (2023). They have not worked together since The Birth of Kitaro: The Mystery of GeGeGe (2023).