How many movies have Naoko Yamada and Rin Yamamoto collaborated on?

They have worked on 9 movies together! Their first movie together was The Disappearance of Haruhi Suzumiya (2010) while their highest rated movie together was A Silent Voice: The Movie (2016). They have not worked together since Violet Evergarden: Eternity and the Auto Memory Doll (2019). They are most known for their animation films together.