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She wears a dark veil across her face, with a plain black dress which has yellow/black stripes on the sleeves and collar. She wears dark gloves. Underneath the veil, she has light blue wavy hair with white streaks. She wears Pearl Tears as earrings given to her by the Bora species, and it keeps her young.
Despite being seen as a kind superior by many SPOON members, she is actually quite cruel and only helps others to benefit herself. Many of her own employees fear her, due to something we do not know yet.
She is a veteran hero who did over 25 years of field work, and was also an actress in the past. She increased human rights for hybrids and contributed to socializing them. She was among the first generation of heroes working for free, and managed to make the domestic crime and accident rate decrease by over 80%. She was the one who make the decision to make hybrids heroes and pay them.
She has the same superpower as Naga.
- Telekinesis: His telekinetic ability is extremely powerful, able to lift up entire buildings with ease when it's stated that its rare a person with telekinesis can lift even a truck.
Dune : Dune and the others employees of Youngjeong are afraid of her. Youngjeong seems to be regularly upset with Dune. Dune think of her as a upright and wise person but he doesn't understand why she let KNIFE go.