How many movies have Masayuki Ochiai and Yoshihiko Hakamada collaborated on?

They have worked on 3 movies together! Their first movie together was The Death, Her and Me (2012) while their highest rated movie together was Ju-on: The Beginning of the End (2014). They have not worked together since Ju-on: The Final Curse (2015). They are most known for their horror films together.