How many movies have Keiko Hama and Rina Nagisa acted in together?

They have worked on 3 movies together! Their first movie together was Osasuri hentai musume (1978) while their highest rated movie together was Baishun group: Kokujô suru hitozuma (1979). They have not worked together since Yobai dai-hyakka: Sakura-gai dorobô (1980).