How many movies have Ikue Otani and Shinichi Yamada acted in together?

They have worked on 1 movie together! Their first movie together was One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends (2014) and was their highest rated movie together. They have not worked together since One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends (2014).