Godzilla Jr never thought he would see the day that his father fell in battle. He also never thought that he would become the King of the Monsters so fast either. With his innocence gone, the new king must work to live up to his father's legacy as he gains new surprising allies, and battle the greatest threat the Earth has ever seen. Eventual Godzilla Jr/Mothra Leo.

Pangea, a world of anthropomorphic Kaiju, and a world at war. With a sinister force pushing the opposing forces into a final war that will destroy everything, seven warriors band together to end the conflict.