The Uninhabitable Tau E

In the end of the 20th century, the world changed forever when a monster attack occurred. For the next decades, monsters began to attack humanity, bringing human civilization to calamity. But one was king of them all: Godzilla. A beast who slayed not only his fellow monsters, but also brought hell to humanity. Not even two alien races were able to defeat him. Eventually, by 2048, humanity was forced to flee, hoping to find a new home. However, with no success, and supplies and lives depleting, they came back. But earth has changed, with Godzilla and the others ruling it. Only one can stand for humanity: Mario....