How many movies have Showtaro Morikubo and Yoshitaka Tao collaborated on?

They have worked on 4 movies together! Their first movie together was Naruto Shippuden the Movie: Blood Prison (2011) while their highest rated movie together was One Piece: Stampede (2019). They have not worked together since One Piece: Stampede (2019). They are most known for their action films together.