劇場版 おいしい給食 Final Battle (2020)

The year is 1984. Teacher Amarida is crazy about school lunches, and he gets the shock of his life when school lunches are slated to be removed from the school. Amarida's student Kamino competes with him to see who can enjoy the school lunch more, and then Kamino declares that he will run for student council to bring about a school lunch revolution. New teacher Misono watches their drama unfold. Can Amarida protect the school lunches that he loves so much?