How many movies have Ayumi Tsunematsu and Chiwa Saito acted in together?

They have worked on 4 movies together! Their first movie together was Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009) while their highest rated movie together was Mobile Suit Gundam 00 Special Edition III: Return The World (2010). They have not worked together since Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010). They are most known for their war films together.