How many movies have Chiwa Saito and Kazuki Yao acted in together?

They have worked on 2 movies together! Their first movie together was Mobile Suit Gundam 00 Special Edition II: End of World (2009) while their highest rated movie together was One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends (2014). They have not worked together since One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends (2014).