How many movies have Koji Ishii and Yoshinobu Ando collaborated on?

They have worked on 4 movies together! Their first movie together was M.D. Geist II: Death Force (1996) while their highest rated movie together was Doraemon: Nobita and the Birth of Japan (2016). They have not worked together since Case Closed: The Fist of Blue Sapphire (2019). They are most known for their animation films together.