The Demon King Leo awakens after a millennium to find himself trapped in a frail human body—a shocking failure of his reincarnation spell. Faced with mysterious invaders, deadly ghouls, and a fiery battle, Leo encounters Rosalia, a fearless and curious knight. Who are the Void monsters, and can Leo regain his strength and reclaim his domain? Watch now to unravel this epic story of power, betrayal, and survival.