How many movies have Toshihiko Sahashi and Yui Ito collaborated on?

They have worked on 2 movies together! Their first movie together was Sailor Moon - Petite Étrangère (2014) while their highest rated movie together was Musical Onmyoji -Heian Emaki- (2018). They have not worked together since Musical Onmyoji -Heian Emaki- (2018).