How many movies have Kimiko Saito and Kinryuu Arimoto acted in together?

They have worked on 3 movies 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 Psycho-Pass: Sinners of the System - Case.2 First Guardian (2019). They are most known for their animation films together.