How many movies have Ryusei Nakao and Yukio Kaizawa collaborated on?

They have worked on 2 movies together! Their first movie together was Hell Teacher Nube: At 0 a.m. Nube is Dead!! (1997) while their highest rated movie together was Go! Princess Precure The Movie Go! Go!! Gorgeous Triple Feature!!! (2015). They have not worked together since Go! Princess Precure The Movie Go! Go!! Gorgeous Triple Feature!!! (2015).