How many movies have Hiroki Iwasawa and Ikuya Miyata collaborated on?

They have worked on 11 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 42 (2011) and was their highest rated movie together. They have not worked together since Honto Ni Atta! Noroi No Video 55 (2013). They are most known for their horror films together.