How many movies have Ichirô Nakayama and Maki Izawa collaborated on?

They have worked on 3 movies together! Their first movie together was Kai-Ki: Tales of Terror from Tokyo (2010) while their highest rated movie together was Kaidan Shin Mimibukuro Kaiki Nozomi (2010). They have not worked together since Kaidan Shin Mimibukuro Kaiki Tsukimono (2010). They are most known for their horror films together.