How many movies have Etsuko Yokoyama and Mamiko Noto collaborated on?

They have worked on 2 movies together! Their first movie together was Bodacious Space Pirates: Abyss of Hyperspace (2014) and was their highest rated movie together. They have not worked together since Donten: Laughing Under the Clouds - Gaiden: Chapter 1 - One Year After the Battle (2017).