How many movies have Maiko Kobayashi and Sōichi Nakaoka collaborated on?

They have worked on 2 movies together! Their first movie together was Night Is Short, Walk On Girl (2017) while their highest rated movie together was Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They have not worked together since Doraemon: Nobita's Chronicle of the Moon Exploration (2019).