How many movies have Hiroki Harada and Toshiyuki Sato collaborated on?

They have worked on 3 movies together! Their first movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011) and was their highest rated movie together. They have not worked together since Kase-san and Morning Glories (2018). They are most known for their animation films together.