How many movies have Masataka Iwasaki and Yoshihiro Nakamura collaborated on?

They have worked on 3 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 58 (2014) and was their highest rated movie together. They have not worked together since Honto ni Atta! Noroi No Video Vol.57 (2014). They are most known for their horror films together.