How many movies have Kazuto Kodama and Yoshihiro Nakamura collaborated on?

They have worked on 20 movies together! Their first movie together was Honto ni Atta! Noroi no Video 22 (2006) 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: BEST OF BEST (2020). They are most known for their horror films together.