How many movies have Ai Matsumoto and Eriko Kumagai acted in together?

They have worked on 1 movie together! Their first movie together was Gekijō-ban: Hontō ni Atta Kowai Hanashi 2016 (2016) and was their highest rated movie together. They have not worked together since Gekijō-ban: Hontō ni Atta Kowai Hanashi 2016 (2016).