Kaha lost everything when monsters destroyed his home and took away the people he loved. Driven by hatred and the desire for revenge, he enters a world ruled by monsters where humans are nothing more than prey. Surrounded by enemies, betrayals, and endless war, Kaha struggles to survive while searching for the truth behind his family's death. But as he uncovers the secrets of the monster world, he realizes that not everything is as simple as humans versus monsters. In a world that hates his existence, can the last human find a place to belong, or will he become the very thing he swore to destroy?