How many movies have Akiko Kumada and Takayoshi Fukushima collaborated on?

They have worked on 4 movies together! Their first movie together was Case Closed: The Fist of Blue Sapphire (2019) while their highest rated movie together was Twittering Birds Never Fly: The Clouds Gather (2020). They have not worked together since Detective Conan: The Bride of Halloween (2022). They are most known for their animation films together.