The heroine is strong and ruthless. Struggling with disgust, contempt, betrayal, and the reality of modern times. Born of conspiracy, died of betrayal. Proficient in controlling all conspiracies and plots, one should have the most direct and effective killing skills, and be familiar with knowledge about politics, economy, military, machinery, tracking, assassination, management, etc. This is the only thing she learned during her lifetime, what is love? What is love? What is joy? What is sadness? She had no idea what kind of journey to another world such a heroine would have, and how much she would know. Will anyone be able to open the invisible door to her heart?