A successful author finds himself in his own fantasy novel but as the villain Shin Kang Ho, a merciless killer serving the demon king. With a chance to alter the catastrophic future, Kang Ho opts for a self-serving path, exploiting his skills and cunning to amass power and wealth by any means necessary. His journey is marked by a ruthless pursuit of dominance, consuming all resources and treasures to emerge as the most formidable and affluent figure in the realm.