How many movies have Natsumi Maki and Saya Kamitani acted in together?

They have worked on 18 movies together! Their first movie together was Stardom Yokohama Cinderella (2020) while their highest rated movie together was Stardom Dream Queendom (2021). They have not worked together since Stardom: Allstar Grand Queendom 2023 (2023). They are most known for their action films together.