The heroic name of Frosty, a civilian name (real) Neveira Williams. She is 19 years old, a very young heroine, her height is 155. She has white hair, bright and clear blue eyes, a slanting appearance, pink lips, and a slim and thin build. By day, she is an ordinary young girl with her dreams, who studies at an ordinary college and wants to become a pastry chef. And at night she's a hero... But unfortunately, she is a tragic hero who is faced with internal conflicts and suffering that eventually 