When she was 4 years old, she was kicked out of the house by her father. The woman who killed her mother took her children and laughed at her... She was humiliated, and she would take revenge! She was adopted by her adoptive father, met her brother, and underwent rigorous training... 13 Years later, she comes back, and she will kill them! She will make them taste the same humiliation! On her chest was a piece of blood-stained glass, which was the only thing her mother left to her...