How many movies have Kazuhito Kuramoto and Rumi Kagawa collaborated on?

They have worked on 3 movies together! Their first movie together was Semi-dokyumento: Tokkun Meiki Dukuri (1981) while their highest rated movie together was Sex document: Kigu hanbai-jin (1982). They have not worked together since Sex Document: Nakase Jôzu (1985).