How many movies have Shōji Sakai and Yoshiaki Sase collaborated on?

They have worked on 2 movies together! Their first movie together was Shiyôzumi sei-shitagi (1995) while their highest rated movie together was Monzetsu Daikaiten: Hitoban Nando de mo (1997). They have not worked together since Monzetsu Daikaiten: Hitoban Nando de mo (1997).