Her past is only known to some people who are close to her. But one thing that's widely known is She's one of the survivors from "Massacre of Utopia", and is now currently leader of biggest mercenary force - Simga Mercenary Company. She's also famous for being a leader of special operations group inside SMC, named Grim Reapers - A squad made of deadliest soldiers in the world. As her codename "Hellcat" suggets, she has fierce, brutal nature and monstrous strength. Good fit for a efficient, brutal killer.