How many movies have Eiko Morikawa and Miyuki Kobori collaborated on?

They have worked on 3 movies together! Their first movie together was Sound! Euphonium the Movie – Welcome to the Kitauji High School Concert Band (2016) while their highest rated movie together was Sound! Euphonium the Movie – Our Promise: A Brand New Day (2019). They have not worked together since Sound! Euphonium the Movie – Our Promise: A Brand New Day (2019). They are most known for their drama films together.