|Group affiliation(s)||NIS (National Investigation Service)|
|Hair color||Light Brown|
|Eye color||Light Brown|
|Images | Quotes|
Secretary to Si-Hyun of the National Investigation Service, often having to act as his handler as well due to how weak willed he is much to her annoyance.
Miss Sun is a stern character who acts as a doting if not harsh coach to her superior within the NIS. She's prone to angry outbursts and has a tendency to use her trace power when her emotions begin to flare up, she's also pretty sensitive about her weight.
Hee-Ji can cencase her hands in a circuit like metallic coating that increases her punching ability enough to shatter a wall barehanded.