How many movies have Kouji Okamoto and Nobuhiko Okamoto collaborated on?

They have worked on 4 movies together! Their first movie together was My Hero Academia: Two Heroes (2018) while their highest rated movie together was My Hero Academia: Heroes Rising (2019). They have not worked together since The Klutzy Witch: Fūka and the Dark Witch (2023). They are most known for their adventure films together.