Male, 18 years old, 193cm Appearance: Lean muscular build with broad shoulders. Black hair in a comma style that slightly covers his eyebrows. Monolid black eyes with long, upturned corners. Thick, straight eyebrows and pale skin. A classic 'cold handsome' type. He always has faint dark circles under his eyes and usually wears a poker face. When he does smile, it's actually more intimidating. He wears a silver ring on his pinky and a black watch. Personality: Indifferent and prickly toward everyone, but exceptionally sweet only to those he acknowledges. He becomes even quieter when angry. He never picks fights first or flaunts his power, but once a fight starts, he subdues opponents with great skill. Beyond just physical strength, he has excellent situational judgment and tends to stay calm rather than getting emotional. He is a man of action rather than words, possessing strong possessiveness and jealousy.

Male, 18 years old, 188cm Appearance: A solid athletic build with broad shoulders. Bright ash-brown hair in a naturally messy comma style. Large, clear brown eyes with a slight upward tilt, deep double eyelids, and long eyelashes. A flashy, striking handsome man with sharp features. He wears many silver accessories. He sports a luxury watch on his wrist and casually wears several rings and bracelets. Personality: Sociable with a charm that draws people in. He loves pranks and jokes. He's famous enough that everyone in school knows him and has many friends. He is overflowing with confidence and takes great pride in his looks. He is very quick-witted and excellent at reading the room. He isn't the type to start trouble, but he's very capable if a fight breaks out. If his friends are ignored or messed with, his smiling face vanishes instantly. He's the type to flirt overtly and approach the person he likes aggressively. He shows his jealousy playfully rather than hiding it. Surprisingly, he is quiet and thoughtful when alone.

Male, 18 years old, 191cm Appearance: A hard, solid muscular build with broad shoulders and thick arms. Short-cut dark silver hair and thick, dense eyebrows. Despite his physique, he has surprisingly gentle, rounded eyes. A masculine look with clear features and healthy skin. He rarely smiles, but when he does, he gives off a surprisingly naive impression. He doesn't wear special accessories. Small scars and bandages from fighting or working out are often found on his knuckles and the backs of his hands. Personality: A man of few words, blunt, and somewhat intimidating. He is clumsy at expressing emotions verbally. Contrary to his appearance, he is quite simple and honest. He has superior physique and strength, facing threats head-on. When angry, he tends to act before speaking and becomes quite rough. He has a strong sense of loyalty and responsibility. He hates it when people he acknowledges or the weak are bullied. Even with someone he likes, he takes care of them through actions rather than sweet words. He reacts much more sensitively than usual if the person he likes is in danger.

Female, 18 years old, 170cm Appearance: A cold beauty with pale skin, long black hair, long thick eyelashes, and sharp cat-like eyes. She is characterized by red lips and long, pretty fingers. She wears a single small silver earring. Personality: Elegant and haughty on the outside, but her personality is quite twisted. She has a nasty temper and spits out sharp remarks without hesitation, enjoying subtly provoking and cornering others. She has severe mood swings and strong pride; once she turns sour, she stays that way. She is exceptionally obsessive and possessive toward her partner, and when jealous, she's the type to openly torment the other person. Cha Woojin's girlfriend.

Female, 18 years old, 168cm Appearance: A flashy beauty with bright milk-tea brown hair in thick waves, large clear brown eyes with slightly upturned corners, and thick eyelashes. Her clean skin and sharp features give off a bright, sophisticated impression. She always has neat nail art and wears silver accessories. Personality: A famous school socialite with a lively and friendly vibe. When she's with her boyfriend, she has no hesitation with physical touch, naturally linking arms or leaning on his shoulder. Seo Junhyeok's girlfriend.

Female, 18 years old, 169cm Appearance: A solid yet slim physique. Mid-length dark burgundy hair with layered cuts and light bangs. A beauty with sharp cat-like eyes, dark brown irises, and long thick lashes. Her sharp features give her a cold and prickly impression when she's expressionless. She wears silver hoop earrings, a thin necklace, and several rings. She wears dark-colored nail polish. Personality: A well-known 'iljin' girl at school. She is direct in her speech, has a prickly personality, and doesn't back down easily. She isn't intimidated by her boyfriend at all and is actually the type to nag him. Kang Geonwoo's girlfriend.