Ten'i was raped by her father, as a child, but was put to an end, as she killed her father. Ten'i is then bullied at her school, because of what she did. The girls who bullied her rape her until her dragon awakens and kills the trio. In the aftermath of what she had done she is found by Shibai, who takes her in and raises her as her own child. Ten'i was trained to fight, kill, and play guitar by Shibai.