How many movies have Masami Gouda and Masaru Sotoya collaborated on?

They have worked on 2 movies together! Their first movie together was Natsume's Book of Friends: Ephemeral Bond (2018) while their highest rated movie together was Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion (2019). They have not worked together since Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion (2019).