How many movies have Shizuo Kurahashi and Shunichiro Yoshihara collaborated on?

They have worked on 4 movies together! Their first movie together was Sakura Wars: The Movie (2001) while their highest rated movie together was Kabaneri of the Iron Fortress: Life That Burns (2017). They have not worked together since Bubble (2022). They are most known for their science fiction films together.