How many movies have Hirokatsu Kihara and Kenji Murakami collaborated on?

They have worked on 4 movies together! Their first movie together was Tales of Terror: New Ears Bag Final Night 2 (2006) while their highest rated movie together was Kaidan Shin Mimibukuro: Dai Go Ya (2006). They have not worked together since Kaidan Shin Mimibukuro Nagurikomi! Gekijō-ban Okinawa-hen (2011). They are most known for their horror films together.