How many movies have Katsuo Ono and Megumi Hayashibara collaborated on?

They have worked on 18 movies together! Their first movie together was DNA Sights 999.9 (1998) while their highest rated movie together was Detective Conan: Love Story at Police Headquarters ~Wedding Eve~ (2022). 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.