How many movies have Kohei Oosuge and Koji Shiraishi collaborated on?

They have worked on 3 movies together! Their first movie together was The Exorcist's Vengeful Curse (2001) and was their highest rated movie together. They have not worked together since Japan's Map of Grudges 2!! Investigation: Curse of the Sea of Trees (2002). They are most known for their horror films together.