How many movies have Ryoko Kawamura and Tsubasa Yonaga collaborated on?

They have worked on 4 movies together! Their first movie together was I've Always Liked You (2016) while their highest rated movie together was The Seven Deadly Sins: Prisoners of the Sky (2018). They have not worked together since The Seven Deadly Sins: Prisoners of the Sky (2018). They are most known for their animation films together.