How many movies have Asako Aoki and Yumiko Kobayashi collaborated on?

They have worked on 2 movies together! Their first movie together was Crayon Shin-chan: Honeymoon Hurricane ~The Lost Hiroshi~ (2019) while their highest rated movie together was Crayon Shinchan the Movie: The Tornado Legend of Ninja Mononoke (2022). They have not worked together since Crayon Shinchan the Movie: The Tornado Legend of Ninja Mononoke (2022).