How many movies have Megu Otsubo and Yoshiko Sakakibara collaborated on?

They have worked on 1 movie together! Their first movie together was Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars (2006) and was their highest rated movie together. They have not worked together since Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars (2006).