She was a hero who wished to save the world, but due to her own obsession with justice, she became unstable and bipolar. She suffers from amnesia, forgetting traumatic experiences. For balance, there must be evil as well as good, and if there is no 'evil', she will fulfill that part by transforming into a giant winged serpent. Otherwise, she likes talking about how she’s a magical girl who will defend others from evil, and has people call her Queenie.