How many movies have Osamu Iwamura and Yôhei Fukuda collaborated on?

They have worked on 10 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 71 (2017) and was their highest rated movie together. They have not worked together since Honto Ni Atta! Noroi No Video 81 (2019). They are most known for their horror films together.