How many movies have Megumi Oohara and Yukari Kaku collaborated on?

They have worked on 9 movies together! Their first movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011) while their highest rated movie together was Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They have not worked together since Doraemon the Movie: Nobita's Earth Symphony (2024). They are most known for their adventure films together.