How many movies have Akiko Nakagawa and Kaoru Wada collaborated on?

They have worked on 3 movies together! Their first movie together was Kindaichi Case Files Movie 1: The Opera House Murders (1996) while their highest rated movie together was Kindaichi Case Files Movie 2: Deep Blue Massacre (1999). They have not worked together since Inuyasha the Movie: Affections Touching Across Time (2001). They are most known for their animation films together.