How many movies have Atsuhito Kinoshita and Shōji Sakai collaborated on?

They have worked on 1 movie together! Their first movie together was Inkô Kazoku: Gibo to Nyôbô no Imôto (1997) and was their highest rated movie together. They have not worked together since Inkô Kazoku: Gibo to Nyôbô no Imôto (1997).