How many movies have Naoko Matsui and Yukiko Iwai acted in together?

They have worked on 28 movies together! Their first movie together was Detective Conan: The Time Bombed Skyscraper (1997) while their highest rated movie together was Detective Conan: The Phantom of Baker Street (2002). They have not worked together since Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train (2023). They are most known for their animation films together.