How many movies have Ayumi Namiki and Megumi Hayashibara collaborated on?

They have worked on 2 movies together! Their first movie together was Mouse Story: The Adventures of George and Gerald (2007) while their highest rated movie together was Pokémon the Movie: Kyurem vs. the Sword of Justice (2012). They have not worked together since Pokémon the Movie: Kyurem vs. the Sword of Justice (2012).