How many movies have Hirohisa Sasaki and Kenji Murakami collaborated on?

They have worked on 4 movies together! Their first movie together was The Devil's Cop Festival (2004) while their highest rated movie together was Kaidan Shin Mimibukuro: Dai Go Ya (2006). They have not worked together since Kaidan Shin Mimibukuro: Dai Go Ya (2006). They are most known for their horror films together.