How many movies have Maki Nishiyama and Shigeo Ôsako acted in together?

They have worked on 5 movies together! Their first movie together was Senritsu Kaiki File Kowasugi! File 01: Operation Capture the Slit-Mouthed Woman (2012) while their highest rated movie together was Senritsu Kaiki File Kowasugi! Final Chapter (2015). They have not worked together since Keita Never Die (2017). They are most known for their horror films together.