How many movies have Arai Tasuku and Azuma Osugi collaborated on?

They have worked on 2 movies together! Their first movie together was Honto Ni Atta! Noroi No Video 38 (2010) while their highest rated movie together was Honto Ni Atta! Noroi No Video 41 (2011). They have not worked together since Honto Ni Atta! Noroi No Video 41 (2011).