She was the strongest killer in the Tang Dynasty, and she was the genius of the Xuanyuan family. After sleeping for a thousand years, she woke up again, and the world had changed. She finally buried the pain from thousands of years ago in the deepest part of her heart, but was brought back to life by a failed experiment of her friend in the only comic she had ever read.
The kind-hearted girl who never wanted to be a killer was once again forced to get her hands covered in blood. It seemed that God would not let her go. She tried hard to fly out of the cage, but her remaining wings were broken...