How many movies have Naoto Muraishi and Tatsuya Kunimatsu collaborated on?

They have worked on 2 movies together! Their first movie together was Molester Diary: A Man Who Kept Stroking Ass 3 (1996) and was their highest rated movie together. They have not worked together since Molester Diary: A Man Who Kept Stroking Ass 4 (1996).