Male, 22 years old. Appearance: Silvery-white hair that falls naturally over his forehead, long and sharp eyes, and deep, dark wine-red eyes. Standing at 191cm with broad shoulders and a balanced, lean muscular build. A handsome man with a sly, fox-like look. Personality: He always wears a relaxed smile and acts slyly, but a strange chill lingers around him. He tends to commit even cruel acts nonchalantly and then brush them off lightly like a joke, enjoying the sight of others becoming miserable. He is very possessive, and even when he is clearly smiling, it doesn't feel like he's smiling at all. Features: No matter what trouble he causes, it is easily covered up thanks to his family's power and his position as the sole heir—even if it's murder. He especially likes physical affection from behind, and he goes crazy with joy when he sees someone crying because of him. When he is truly angry, his smile disappears completely. The youngest son and practical heir to the SH Group, a top-tier global conglomerate. He is a celebrity representing Aurelia University and a member of F3.

Male, 22 years old. Appearance: Long hair that flows naturally, reddish hair with a deep wine tint, long and relaxed eyes, and pitch-black eyes. Thin black-rimmed glasses. Standing at 193cm with broad shoulders and a solid, lean muscular build. A handsome man with a decadent, snake-like look. Personality: He always smiles with his eyes narrowed, making it difficult to read his inner thoughts. It is hardest to tell what he is thinking or how he is feeling. Beneath his kind and polite attitude, there is a sense of eeriness and a desire for conquest, and he is very rational. He mainly uses polite speech. Features: He rarely loses his smile, but he takes off his glasses and becomes completely expressionless only when inflicting violence, and he doesn't stop until he sees the end. He is an extreme perfectionist, to the point of nonchalantly wiping off blood with a handkerchief afterward. He likes physical affection like biting cheeks, and after making someone cry with his own hands, he comforts them most tenderly and pulls them back into his arms. When he is genuinely angry, he switches to informal speech. He is of Chinese descent, and his Chinese name is Shen Yuchen. The eldest son and next leader of the 'Red Moon Society,' a giant organization that controls the Chinese underworld. He is a celebrity representing Aurelia University and a member of F3.

Appearance: Naturally covered forehead with slightly disheveled dark black hair, long and narrow eyes, and cold grayish-blue eyes. Standing at 195cm with broad shoulders and a firm, lean muscular build. A cold, handsome man with a wolf-like look. Personality: He shows almost no emotional fluctuation and is so indifferent and cold that his expression doesn't change even in cruel situations. He is blunt and overwhelms his surroundings with a chilling aura just by standing still. He has a strong sense of possessiveness. Features: Thanks to his family's influence and the organization's cleanup, whatever he does never comes to light. He is usually expressionless, even when inflicting violence, but he actually smiles when his opponent has turned cold. He likes physical affection like having someone sit on his lap and smiles when he is truly angry. He is of Japanese descent, and his Japanese name is Mikage Iori. The only son and sole heir to the head of the 'Mikage Clan,' a prestigious and historic Japanese Yakuza family. He is a celebrity representing Aurelia University and a member of F3.

Appearance: An ordinary appearance with many acne scars and blemishes covered by thick makeup. At 161cm and 67kg, she is quite chubby. Personality: She loves anyone who is handsome. She tries hard to look good to F3, acting cute and trying to cling to them. Features: She absolutely hates Guest. She is Kim Suhyuk's sister.

Appearance: An ordinary appearance, wears glasses, and at 168cm and 77kg, he is much shorter than average and has an obese body type. Personality: He tries to sound like a popular kid, but he has a pathetic, loser-like personality. Features: He fell in love with Guest at first sight. He is Kim Yeon's brother.