How many movies have Kasumi Yamaya and Riria Kojima acted in together?

They have worked on 4 movies together! Their first movie together was Ressha Sentai ToQger vs. Kyoryuger: The Movie (2015) while their highest rated movie together was Ressha Sentai ToQger Final Live Tour 2015 (2015). They have not worked together since The Werewolf Game: Prison Break (2016). They are most known for their fantasy films together.