How many movies have Hitomi Aizawa and Naoya Kawaguchi acted in together?

They have worked on 1 movie together! Their first movie together was Miss Machiko, the Movie: A Busty and Undefeatable Delinquent Girl (2009) and was their highest rated movie together. They have not worked together since Miss Machiko, the Movie: A Busty and Undefeatable Delinquent Girl (2009).