How many movies have Maki Fujioka and Naoko Matsui collaborated on?

They have worked on 3 movies together! Their first movie together was Detective Conan: Strategy Above the Depths (2005) while their highest rated movie together was Detective Conan: The Lost Ship in the Sky (2010). They have not worked together since Detective Conan: The Lost Ship in the Sky (2010). They are most known for their mystery films together.