How many movies have Huynh Ngoc Long and Sakura Yamamoto 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 Gintama: The Very Final (2021). They have not worked together since Detective Conan: The Scarlet Bullet (2021). They are most known for their animation films together.