How many movies have Kyoko Shibuya and Nobuhiro Otsuka collaborated on?

They have worked on 2 movies together! Their first movie together was Lupin the Third vs. Detective Conan: The Movie (2013) while their highest rated movie together was Natsume's Book of Friends: Ephemeral Bond (2018). They have not worked together since Natsume's Book of Friends: Ephemeral Bond (2018).