How many movies have Akira Takata and Eri Yamazaki collaborated on?

They have worked on 3 movies together! Their first movie together was Welcome to the Space Show (2010) while their highest rated movie together was Hotarubi no Mori e (2011). They have not worked together since Natsume's Book of Friends: Ephemeral Bond (2018). They are most known for their animation films together.