How many movies have Nobuyuki Takahashi and Tadao Takakuwa collaborated on?

They have worked on 4 movies together! Their first movie together was Molester Diary: A Man Who Kept Stroking Ass 2 (1995) while their highest rated movie together was Jokyoshi Nikki 2 Abakareta Sei (1996). They have not worked together since Jokyoshi Nikki 2 Abakareta Sei (1996).