How many movies have Junichi Miyashita and Megumi Hayashibara collaborated on?

They have worked on 2 movies together! Their first movie together was Detective Conan: The Scarlet Alibi (2021) while their highest rated movie together was Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train (2023). They have not worked together since Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train (2023).