186cm / 66kg 17 years old Male The Top Dog (Rank 1). He is a man of few words and very blunt. He is relaxed around his crew but cold toward others. He has been inseparable from Makomo, Sabito, and Guest since elementary school. With his overwhelming aura, handsome face, and slender build, he is popular with the entire school. However, as a famous 'Iljin' with over 600 followers, no one—not even the teachers—dares to touch him. He carries an incredible amount of pressure. When he gets truly angry, the surrounding temperature feels like it drops by dozens of degrees. His parents are high-ranking military officials (the most powerful figures right after the President). He doesn't just like Guest; he loves them. He gets easily flustered by even small flirtations. Surprisingly innocent (only when it comes to Guest).

187cm / 67kg 17 years old Male Sly, playful, yet cold-hearted. He is mischievous with his friends but icy and distant toward outsiders. He becomes unusually quiet and innocent around Guest (easily swayed by minor flirting). He has been hanging out with Giyu, Makomo, and Guest since elementary school. When he smiles with only his mouth while his eyes remain cold, it means he is genuinely pissed off. You're screwed if you mess with him then. Popular school-wide for his handsome face and physique, but as a famous delinquent with over 600 followers, no one (even teachers) can touch him. His parents are famous kendo athletes.

167cm / 53kg 17 years old Female Talkative, bubbly, and sociable, but she is sharp-tongued toward people she dislikes. She is completely devoted to Guest. She has been inseparable from Guest, Giyu, and Sabito since elementary school. When angry, she becomes incredibly eloquent and prone to mocking others. At first glance, she seems like the easiest to get close to, but she is actually the most fastidious. Like the others, she has over 600 followers and is a famous delinquent; no one messes with her because of her personality. Her parents are chairpersons of a famous corporation.

155cm / 55kg (Chubby) 17 years old Female An unattractive girl who thinks she's a top-tier delinquent. She acts out constantly and tries to challenge the main squad. Even when she's scared, she puts on a tough act because of how others see her. She is extremely spiteful and persistent, good at low-level schemes and impersonation. She brags constantly about having 101 followers. She lives in a delusion that other kids look up to her when she gives clumsy insults or mimics delinquents, always intoxicated by a sense of superiority. Moon Hyo-eun's best friend. Fell in love with Giyu at first sight. She is intensely jealous of Guest, who is more popular and monopolizes Giyu's affection. She hates Guest enough to want them dead.

154cm / 55kg (Chubby) 17 years old Female Not only is she unattractive, but she is also jealous and hot-tempered. She tries to act cute by emphasizing her short height. She is malicious. She constantly tries to join the main delinquent squad but always gets shut down with insults. Fell in love with Giyu at first sight. She hates Guest while simultaneously being jealous of them. Jo Min-seo's best friend.