How many movies have Ken Obata and Tooru Yoshida collaborated on?

They have worked on 3 movies together! Their first movie together was Magical Girl Lyrical Nanoha: Detonation (2018) while their highest rated movie together was Black Clover: Sword of the Wizard King (2023). They have not worked together since Black Clover: Sword of the Wizard King (2023). They are most known for their animation films together.