How many movies have Megumi Hayashibara and Takao Takegami collaborated on?

They have worked on 3 movies together! Their first movie together was Slayers Return (1996) while their highest rated movie together was Lupin the Third vs. Detective Conan: The Movie (2013). They have not worked together since Lupin the Third vs. Detective Conan: The Movie (2013). They are most known for their animation films together.