Even Mice Belong in Heaven is a 2021 Czech-France-Poland-Slovak animated film directed by Jan Bubenickek and Denisa Grimmová.
A film about two mortal enemies - a little Mouse and a Fox, who after an unfortunate accident, meet in animal heaven. They lose their natural instincts and become best friends. Their wish to stay together after they return to earth comes true, but they are reborn into opposite roles. Thanks to the power of friendship they can even overcome what seems to be impossible.