How many movies have Akira Miyagawa and Hochu Otsuka collaborated on?

They have worked on 3 movies together! Their first movie together was Space Battleship Yamato 2199: A Voyage to Remember (2014) and was their highest rated movie together. They have not worked together since Space Battleship Yamato 2202: Warriors of Love - Ch. 3 (2017). They are most known for their animation films together.