How many movies have Daisuke Yamanouchi and Salmon Sakeyama collaborated on?

They have worked on 12 movies together! Their first movie together was Celluloid Nightmares (1999) while their highest rated movie together was Girl Hell 1999 (1999). They have not worked together since Tsurekomu onna: Shita gari bocchi (2020). They are most known for their horror films together.