How many movies have Masahiko Sakata and Shōji Sakai collaborated on?

They have worked on 8 movies together! Their first movie together was Office Lady Rape: Disgrace! (1986) while their highest rated movie together was Hentai byôtô: Hakui seme (1988). They have not worked together since YADO: Tsukiyono-mura Yamanba Densetsu (2002). They are most known for their drama films together.