How many movies have Kazuhiko Seki and Ryoka Yuzuki collaborated on?

They have worked on 5 movies together! Their first movie together was Magical Girl Lyrical Nanoha: The Movie 2nd A's (2012) while their highest rated movie together was Trinity Seven: Heaven's Library & Crimson Lord (2019). They have not worked together since Trinity Seven: Heaven's Library & Crimson Lord (2019). They are most known for their action films together.