In a world where strength rules, the Heavenly Sovereign's reign ends with a brutal betrayal. Reborn in the deadly Nin realm, and guided by the 'Heavenly Retribution System', an outsider must navigate treacherous politics, cultivate powers, and build a harem. All while uniting Nin's 109 warring states.
Amidst ruthless enemies and powerful allies, a quest for vengeance and rightful rule unfolds in a bloody saga of power, revenge, and conquest.