How many movies have Shouji Endo and Yoko Hikasa collaborated on?

They have worked on 2 movies together! Their first movie together was Code Geass: Akito the Exiled 3: The Brightness Falls (2015) 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).