How many movies have Ai Ishihara and Maria Ono acted in together?

They have worked on 1 movie together! Their first movie together was 性欲処理専門 セックス外来医院6 真正中出し科 (2013) and was their highest rated movie together. They have not worked together since 性欲処理専門 セックス外来医院6 真正中出し科 (2013).