This Devil Is Not That Devil

When she was eight years old, her master cruelly cut off her pulse, burned her emotions, destroyed her mind, and extinguished her passions. Just to let her live a safe life. But what is destined is something that can only be done by humans? Ten years later, the most famous demon in the world gave her the supreme destiny, just for peace of mind. "Don't you never believe in fate?" "Those who cherish always want to have peace of mind and be considerate."