How many movies have Koji Shiraishi and Suzuyuki Kaneko collaborated on?

They have worked on 3 movies together! Their first movie together was Senritsu Kaiki File Kowasugi! The Most Terrifying Movie in History (2014) while their highest rated movie together was Senritsu Kaiki File Kowasugi! Final Chapter (2015). They have not worked together since A Beast in Love (2020). They are most known for their horror films together.