How many movies have Daisuke Asakura and Hisaaki Saito collaborated on?

They have worked on 2 movies together! Their first movie together was Supesharu ressun: Hentai sei-kyôiku (1990) while their highest rated movie together was Monzetsu OL: Ijô na Zengi (1991). They have not worked together since Monzetsu OL: Ijô na Zengi (1991).