How many movies have Ayumi Miyazaki and Yui Nakamura collaborated on?

They have worked on 2 movies together! Their first movie together was Senritsu Kaiki File Kowasugi! Preface: True Story of the Ghost of Yotsuya (2014) while their highest rated movie together was Senritsu Kaiki File Kowasugi! Final Chapter (2015). They have not worked together since Senritsu Kaiki File Kowasugi! Final Chapter (2015).