How many movies have Daiki Arioka and Fumiya Sato collaborated on?

They have worked on 2 movies together! Their first movie together was The Files of Young Kindaichi: Lost in Kowloon (2013) while their highest rated movie together was The Files of Young Kindaichi: Jungle School Murder Mystery (2014). They have not worked together since The Files of Young Kindaichi: Jungle School Murder Mystery (2014).