San, a nineteen-year-old outcast enduring a dark fantasy hell, is intent on getting revenge against the criminal underworld that destroyed his family and ruined his life. But when he unlocks a dark power, he becomes a monster, fusing with an inner demon to destroy his enemies. Using his terrifying new strength and dark magic, San recruits powerful allies to wipe out syndicates, conquer gangs, and gain enough influence to rule it all. Can he stay human and stop the corruption?