How many movies have Bintaro Yamaguchi and Saya Hikita acted in together?

They have worked on 2 movies together! Their first movie together was Sekai de Ichiban Kowai Jugyō "Etsuran Chūi!"「Yōkai-gaku」 (2018) and was their highest rated movie together. They have not worked together since 世界で一番怖い授業“閲覧注意！”～「死後の世界」編 (2018).