How many movies have Asuka Kuroda and Yumiko Kobayashi collaborated on?

They have worked on 1 movie together! Their first movie together was Crayon Shin-chan: Shrouded in Mystery! The Flowers of Tenkazu Academy (2021) and was their highest rated movie together. They have not worked together since Crayon Shin-chan: Shrouded in Mystery! The Flowers of Tenkazu Academy (2021).