How many movies have Azusa Tadokoro and Masumi Otsuka collaborated on?

They have worked on 3 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 Stars! The Movie (2016). They are most known for their animation films together.