How many movies have Kuniharu Okano and Toshihiko Kojima collaborated on?

They have worked on 1 movie together! Their first movie together was Pattenrai!! - Minami no Shima no Mizu Monogatari (2008) and was their highest rated movie together. They have not worked together since Pattenrai!! - Minami no Shima no Mizu Monogatari (2008).