How many movies have Kyôsuke Ueno and Yoshitsugu Sagami collaborated on?

They have worked on 4 movies together! Their first movie together was 2 Channel no Noroi - VOL. 1 (2010) while their highest rated movie together was The Possession in Japan (2011). They have not worked together since Friends Games: The Movie (2017). They are most known for their horror films together.