How many movies have Naoki Sato and Ryuichi Yagi collaborated on?

They have worked on 3 movies together! Their first movie together was Friends: Naki on Monster Island (2011) while their highest rated movie together was Stand by Me Doraemon 2 (2020). They have not worked together since Stand by Me Doraemon 2 (2020). They are most known for their family films together.