Nobita in his sleep through the pink fog into an animal kingdom, where everyone lives peacefully, advanced science and technology, is a real utopia! It turns out that the animal kingdom is on a distant planet, and the pink fog is a random breath from the future world, which can be used to reach distant places! After Doraemon returned to Earth, he received a call for help from the future Animal Planet, but as the mood has run out, what should they do? On this green animal planet, there are all peace-loving animals. But among the flat planets with animal stars, there live greedy human beings. So the war began again.