How many movies have Chiwa Saito and Kosaburo Yashiki acted in together?

They have worked on 1 movie together! Their first movie together was がんばれいわ!!ロボコン ウララ〜！恋する汁なしタンタンメン‼の巻 (2021) and was their highest rated movie together. They have not worked together since がんばれいわ!!ロボコン ウララ〜！恋する汁なしタンタンメン‼の巻 (2021).