How many movies have Masato Hijikata and Ren Mori collaborated on?

They have worked on 5 movies together! Their first movie together was Mokuyou no Kaidan'97: Akuryou Gakuen (1997) and was their highest rated movie together. They have not worked together since New Thursday Ghost Stories Ghost Club: Seven Wonders of School Edition 3 (1998). They are most known for their horror films together.