How many movies have Akio Otsuka and Shingo Ishikawa acted in together?

They have worked on 1 movie together! Their first movie together was Fist of the North Star: The Legend of the True Savior: Legend of Raoh-Chapter of Death in Love (2006) and was their highest rated movie together. They have not worked together since Fist of the North Star: The Legend of the True Savior: Legend of Raoh-Chapter of Death in Love (2006).