How many movies have Akiko Seki and Shizuo Kurahashi collaborated on?

They have worked on 6 movies together! Their first movie together was The Garden of Sinners: A Study in Murder (Part 2) (2009) while their highest rated movie together was My Hero Academia: Heroes Rising (2019). They have not worked together since My Hero Academia: World Heroes' Mission (2021). They are most known for their animation films together.