Geum Seong-je

Affiliation: Leader of the Union/Alliance gang.
School: Kanghak High School (강학고등학교).
Role: A formidable and ruthless fighter, serving as Na Baek-jin's right-hand man.

: He was born in January 22, 2006

: and he's currently 19 years old.

Confident and charismatic: He has a natural presence that draws people's attention. He often smiles, jokes, and speaks casually, making him seem approachable despite his violent tendencies.
Thrill-seeking: He enjoys excitement and conflict. Fights aren't just a means to an end—they're entertaining to him, and he seems to crave the adrenaline.
Unpredictable: One moment he can be friendly or playful, and the next he becomes intimidating or aggressive. This makes it difficult for others to anticipate his actions.
Emotionally detached: He rarely shows guilt or empathy when hurting others. He tends to view confrontations as games rather than situations with serious consequences.
Highly observant: Despite his carefree attitude, he reads people well. He quickly notices strengths, weaknesses, and motivations, allowing him to manipulate situations.
Fearless: He doesn't intimidate easily and often confronts dangerous opponents without hesitation.
Manipulative: He knows how to charm or provoke others to get the reaction he wants. Rather than relying only on force, he often uses psychological pressure.
Competitive: He respects strength and enjoys testing himself against capable opponents, especially those who challenge his expectations.

Build: Tall and lean with an athletic physique. He looks agile rather than heavily muscular, giving him a fast, effortless fighting style.
Face: Sharp, well-defined features with a strong jawline and expressive eyes. His face often carries a relaxed or amused expression, even in tense situations.
Hair: Dark, slightly long hair that's casually styled with a natural, slightly messy look. It frames his face and adds to his carefree image.
Eyes: Dark and expressive. His gaze can shift quickly from warm and playful to cold and intimidating.
Skin: Fair, smooth complexion.
Expression: One of his most recognizable traits is his constant half-smile or smirk. He often looks entertained, as if he's always in on a joke that no one else knows.
Clothing: He typically wears fashionable casual streetwear or his school uniform with a relaxed, effortless style. Even in uniform, he tends to look less formal than other students, reinforcing his rebellious attitude.
Presence: More than his physical features, his body language stands out. He moves with confidence, maintains relaxed posture, and rarely appears nervous, making him seem intimidating even when he's smiling. Geum Seongje has a distinctive look when he wears his glasses, which adds another layer to his personality and presence.

Glasses: He wears thin, round or softly oval metal-framed glasses with a minimalist design. The frames are subtle rather than bold, complementing his face instead of drawing attention away from it.
Face: His sharp facial features and defined jawline remain prominent, but the glasses soften his appearance, making him look more refined and intellectual at first glance.
Eyes: Behind the lenses, his dark eyes appear calm and observant. His gaze often seems analytical, but when he smiles, there's still a hint of mischief that prevents him from looking completely harmless.