How many movies have Chitose Morinaga and Koichi Yamadera acted in together?

They have worked on 1 movie together! Their first movie together was Space Battleship Yamato 2205: The New Voyage - Prior Chapter: Take Off (2021) and was their highest rated movie together. They have not worked together since Space Battleship Yamato 2205: The New Voyage - Prior Chapter: Take Off (2021).