How many movies have Kim Kyung-suk and Masami Otsuka collaborated on?

They have worked on 6 movies together! Their first movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011) and was their highest rated movie together. They have not worked together since Crayon Shinchan the Movie: The Tornado Legend of Ninja Mononoke (2022). They are most known for their animation films together.