How many movies have Ayumi Miyazaki and Chika Kuboyama collaborated on?

They have worked on 9 movies together! Their first movie together was Villain (2011) while their highest rated movie together was Senritsu Kaiki File Kowasugi! Final Chapter (2015). They have not worked together since Senritsu Kaiki World Kowasugi! (2023). They are most known for their horror films together.