How many movies have Nana Okuyama and Saya Hikita acted in together?

They have worked on 2 movies together! Their first movie together was Junji Inagawa - Terrifying Sites Final Chapter: Forbidden Land Forever and Eternally VOL.2 (2013) and was their highest rated movie together. They have not worked together since Junji Inagawa - Terrifying Sites Final Chapter Part 2: The Beginning of the End Vol.2 (2016).