How many movies have Remika Hokuto and Shōichi Ikeda collaborated on?

They have worked on 3 movies together! Their first movie together was Document porno: Joshidaisei ryô maruhi report (1975) while their highest rated movie together was Semi-document: Nyotai-gari (1976). They have not worked together since Semi-document: Nyotai-gari (1976).