The Ghost King's Merciless Survival

Muzan has returned—reborn with enlightenment and a mysterious golden finger that transforms him from a hunted demon into an unstoppable force. This time, he's done playing games. Armed with ruthless management skills and strategic brilliance, he begins rebuilding his empire from the shadows. The Demon Slayer Corps thought they had won, but their true nightmare is only beginning. When a natural disaster walks among men, who can possibly stand against him?