How many movies have Noriko Hatta and Rie Aoki collaborated on?

They have worked on 2 movies together! Their first movie together was Hutch the Honeybee (2010) while their highest rated movie together was Donten: Laughing Under the Clouds - Gaiden: Chapter 3 - Conspiracy of the Military (2018). They have not worked together since Donten: Laughing Under the Clouds - Gaiden: Chapter 3 - Conspiracy of the Military (2018).