How many movies have Junichi Akutsu and Yoshikazu Yasuhiko collaborated on?

They have worked on 4 movies together! Their first movie together was Mobile Suit Gundam: The Origin I - Blue-Eyed Casval (2015) while their highest rated movie together was Mobile Suit Gundam: The Origin III - Dawn of Rebellion (2016). They have not worked together since Mobile Suit Gundam: The Origin IV – Eve of Destiny (2016). They are most known for their science fiction films together.