How many movies have Ikuya Miyata and Naomi Kawai collaborated on?

They have worked on 4 movies together! Their first movie together was Honto ni Atta! Noroi no Video Vol. 52 (2013) and was their highest rated movie together. They have not worked together since Honto ni Atta! Noroi No Video 79 (2018). They are most known for their horror films together.