How many movies have Osamu Iwamura and Ryōsai Mino collaborated on?

They have worked on 5 movies together! Their first movie together was Honto ni Atta! Noroi no Video: Vol. 83 (2019) and was their highest rated movie together. They have not worked together since Honto Ni Atta! Noroi No Video 89 (2020). They are most known for their horror films together.