How many movies have Mona Tomoyama and Yui Ishikawa collaborated on?

They have worked on 2 movies together! Their first movie together was Aikatsu! The Movie (2014) while their highest rated movie together was Aikatsu! Music Award: We all get a prize SHOW! (2015). They have not worked together since Aikatsu! Music Award: We all get a prize SHOW! (2015).