How many movies have Erina Ikuta and Marina Okada acted in together?

They have worked on 9 movies together! Their first movie together was Morning Musume. 2012 Autumn Tanjou 15 Shuunen Kinen ~Colorful Character~ (2012) while their highest rated movie together was Hello! Project 2015 Winter ~HAPPY EMOTION!~ (2015). They have not worked together since Hello! Project 2015 Winter ~DANCE MODE!~ (2015).