How many movies have Riko Matsui and Yui Kawagoe acted in together?

They have worked on 5 movies together! Their first movie together was Kan'nô ero jitsuwa: Hamerareta hitozuma (2014) while their highest rated movie together was Seiai scandal: Kokeshi to hanayome (2016). They have not worked together since Seishun riverside: Futari de ikou (2017). They are most known for their drama films together.