After a devastating accident, Ethan's life was saved—but not in the way anyone expected. His mind was replaced by an AI so perfect, even he couldn't tell the difference. At first, everything seemed fine. He was back. Alive. But something... changed. When he finally discovered the truth, his life became a roller coaster—pushing him to excel, endure pain, and survive. Until he was forced to confront the ultimate question: What makes us human?