How many movies have Ryuuou Yamaguchi and Sayuri Kokusho acted in together?

They have worked on 2 movies together! Their first movie together was Kyotaro Nishimura Travel Mystery 68: Disappearing Woman in Yamagata (2017) and was their highest rated movie together. They have not worked together since 草津・殺しのトライアングル (2023).