How many movies have Hajime Ishigami and Yukio Chiba collaborated on?

They have worked on 8 movies together! Their first movie together was Molestation and Peeping, Enough to Open a Hole (1990) while their highest rated movie together was Molester and the Peeper : Athletic Women's Dormitory (1992). They have not worked together since Molester and the Peeper : Athletic Women's Dormitory (1992).