How many movies have Jyoji Kawai and Sana Matsunaga collaborated on?

They have worked on 1 movie together! Their first movie together was 夫は知らない ～私の淫らな欲望と秘密～ (2019) and was their highest rated movie together. They have not worked together since 夫は知らない ～私の淫らな欲望と秘密～ (2019).