How many movies have Hiroomi Yamakawa and Sota Sato collaborated on?

They have worked on 3 movies together! Their first movie together was Doraemon: Nobita and the Space Heroes (2015) while their highest rated movie together was Doraemon: Nobita and the Birth of Japan (2016). They have not worked together since Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi (2017). They are most known for their family films together.