How many movies have Higashi Osugi and Natsuko Kitani collaborated on?

They have worked on 3 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 27 (2008) and was their highest rated movie together. They have not worked together since Honto Ni Atta! Noroi No Video 35 (2009). They are most known for their horror films together.