How many movies have Hirokatsu Kihara and Ichirô Nakayama collaborated on?

They have worked on 19 movies together! Their first movie together was School Ghost Story: Spring Haunting Special (1999) while their highest rated movie together was Tales of Terror: The Painted Face (2009). They have not worked together since Tales of Terror: G Men Jungle Version (2019). They are most known for their horror films together.