How many movies have Naoko Matsui and Tomoyuki Kitamura collaborated on?

They have worked on 11 movies together! Their first movie together was Detective Conan: Crossroad in the Ancient Capital (2003) while their highest rated movie together was Detective Conan: Episode One - The Great Detective Turned Small (2016). They have not worked together since Case Closed: The Fist of Blue Sapphire (2019). They are most known for their animation films together.