Myriah "Mun-Suk Sim"

About

Hangul: 심 문숙
Class: Beastmistress
Occupation: Student/Debugger/Admin

A 17-year-old student and part time employee for Dexon Corp, she has a serious grudge against Team Triple Threat (who has dubbed her "Medusa"), after they ruined her life during a power play session. She is technically a debugger, but when in the game, she has powers like that of a Beastmaster.

(Wikipedia.org)
[Edited slightly by Tiamat for major spoilers]