How many movies have Koji Endo and Nobuyuki Takahashi collaborated on?

They have worked on 4 movies together! Their first movie together was Female Teacher's Diary Forbidden Sex (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).