How many movies have Ikuya Miyata and Osamu Iwamura collaborated on?

They have worked on 7 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 58 (2014) while their highest rated movie together was Death Forest: Forbidden Forest 2 (2015). They have not worked together since Honto ni Atta! Noroi No Video 79 (2018). They are most known for their horror films together.