How many movies have Hisao Usui and Kôji Nozaki collaborated on?

They have worked on 5 movies together! Their first movie together was Trick the Movie: Psychic Battle Royale (2010) while their highest rated movie together was SPEC: Close~Incarnation (2013). They have not worked together since Generalprobe 7 (2023). They are most known for their mystery films together.