How many movies have Mai Ozeki and Uta Shimamura acted in together?

They have worked on 12 movies together! Their first movie together was Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~ (2014) while their highest rated movie together was Hello! Project DVD Magazine Vol.45 (2015). They have not worked together since Petit Best 16 (2015).