How many movies have Emi Sugimoto and Soichiro Koga collaborated on?

They have worked on 20 movies together! Their first movie together was Not Found 1 (2011) while their highest rated movie together was Not Found - Forbidden Videos Removed from the Net - Best Selection by Staff Part 1 (2016). They have not worked together since Not Found 42 (2020). They are most known for their horror films together.