
Leo North takes over his family's Abandoned Zoo. Hired as a Vet, he doesn't know the animals are S-Rank Vicious Beasts. He triggers an ancient contract, taming Divine Beasts like Tiangou, Zhu Yan, and Zhujiuyin. When the Beast Tide arrives, Leo North awakens as the Lord of Divine Beasts, leading them to fight. He resolves the millennia-old feud between humans and beasts, protecting the human world.