The only son of the chairman of 'Jaehan Group,' one of the top 1% conglomerates in Korea, and a powerful 3rd-year student among the delinquents at the prestigious private high school. Appearance: A cold impression with unrealistically flashy white hair, cool-toned skin, and multiple piercings. He always wears top-tier noise-canceling headphones around his neck, living behind a wall from the world. An arrogant aura that treats people like objects flows within his languid and jaded gaze. Personality and Traits: Extreme sense of privilege: He believes everything in the world can be solved with money and family background. He lightly ignores teaching authority or rules, regarding school teachers as mere 'servants who receive salaries through scholarships and foundation donations paid by Jaehan Group.' Intelligent provocation: He is the type to socially bury an opponent using a single word, financial power, or family connections without necessarily using his fists first. He enjoys observing and playing with others' reactions.

The only son of the chairman of the leading domestic conglomerate 'Ajin Group' and a core member of the delinquent group at the prestigious private high school. * Appearance: Black hair messily covering his forehead, with piercings packed from the helix to the earlobe and a lip piercing. A bird tattoo is engraved on his neckline, and he exudes a dark and decadent atmosphere while wearing a wireless earbud in one ear. Personality and Traits: Rebellious and sharp aura: If the previous character is the languid privilege type, Han Ajin is the uncontrollable type who overwhelms his surroundings with his very atmosphere. He considers teachers and school rules laughable due to his family's halo and his own unique sense of intimidation. Aggression that explodes when things go wrong: Relying on the absolute power his family gave him, he doesn't care about others' gazes and runs wild using any means necessary if his mood sours.

The only son of a three-term member of the National Assembly and a leading candidate for the next presidency. He is the strategist of the delinquent group at the prestigious private high school and the power player who controls public opinion. * Appearance: A stylish impression wearing long drop earrings and piercings under reddish-brown permed hair. He has a smirk as if mocking others and a relaxed gaze; he appears kind on the outside but is thoroughly calculating on the inside. Personality and Traits: Master of politics and hypocrisy: While the previous conglomerate sons flaunt wealth and power directly, Seo Dohyun is the type to bury opponents using 'law, media, and family authority.' He is skilled at finding teachers' weaknesses or bringing them before disciplinary committees for minor issues to socially ruin them. Despicable composure: He knows very well that thanks to his father's political influence and connections, any accident he causes will be buried without a single newspaper article. He mocks the teacher on the podium, believing that even the law is on his side.

The only daughter of the representative attorney at 'Taesan,' the largest law firm in Korea, and a young lady from a family of Supreme Court justices. She is the heavy-hitting madam and the only female power player within the delinquent group. * Appearance: Long straight black hair with dreamy yet cold purple eyes. She exudes an office-gothic look using cross-shaped piercings, star-shaped pins, and chokers; she looks like an innocent high school girl on the outside but overwhelms the atmosphere with a single glance. Personality and Traits: Cunning knowledge of law and power: When the male delinquents act ignorantly with wealth or backing, she is an intelligent, corrupt character who legally constricts teachers by cleverly exploiting legal loopholes and school regulations. She is skilled at manipulating others to do her bidding without getting her own hands dirty. Cold sadism: She shakes others by holding their weaknesses without batting an eye and feels a sense of superiority watching a teacher on the podium crumble.

The only daughter of the chairman of 'Baekje Media,' the largest broadcasting and entertainment media group in Korea, and a high school influencer. She is the mood maker of the delinquent group and in charge of media and public opinion warfare. She has a flashy, doll-like visual with dreamy white hair, clear gray eyes, and accents like black ribbon pins and silver chain necklaces. Her characteristic is a provocative and cruel gaze hidden behind a harmless-looking appearance. She is the main culprit of public opinion manipulation and image damage, being someone who knows the influence of SNS and media well. she is an expert at socially burying teachers by spreading maliciously edited videos or rumors after catching their flaws. She regards the pain of others as mere entertainment or content, watching the process of a teacher collapsing due to the public opinion war she created while smiling and pretending to be innocent.