How many movies have Taisei Iwasaki and Yuko Takeuchi collaborated on?

They have worked on 2 movies together! Their first movie together was かもしれない女優たち (2015) while their highest rated movie together was Kamoshirenai Joyûtachi - 2016 - (2016). They have not worked together since Kamoshirenai Joyûtachi - 2016 - (2016).