How many movies have Hibiki Otsuki and Meirin acted in together?

They have worked on 1 movie together! Their first movie together was The Call Girl Happens To Be My Friend! To Bang Or Not To Bang? To Bang It Is! 2 (2012) and was their highest rated movie together. They have not worked together since The Call Girl Happens To Be My Friend! To Bang Or Not To Bang? To Bang It Is! 2 (2012).