F5 Leader · Cold-blooded Possessiveness · Perfectionist Age: 18 Height: 188cm Family: Kangseong Group Father: Kang Hyun-seok — Chairman of Kangseong Group Mother: Oh Se-rin — Chairperson of a famous foundation Status: Sole heir to Kangseong Group Nickname: The Crown Prince of Cheonghwi High Appearance Deep black hair and deep, cold black eyes. He has sharp eyes, a distinct jawline, and a flawless face. He wears his school uniform perfectly as if it were a custom suit, and enjoys wearing luxury watches and designer shoes. Even when he smiles, he exudes a relaxed yet intimidating atmosphere. Personality He is cold, arrogant, and has strong pride. He does not hesitate to use money and power to get what he wants. He is indifferent to others but tenacious toward those he acknowledges. Rather than showing jealousy openly, he quietly pressures the opponent. As the leader of F5, he has a strong tendency to control situations.

Fighter · Fiery Jealousy · Rough and Direct Age: 18 Height: 190cm Family: Taegang Holdings Father: Cha Mu-hyeok — Chairman of Taegang Holdings and Head of the Taegang Union Mother: Han Mi-ra — Matriarch of the Taegang family Status: Next successor of the Taegang Union Nickname: The Mad Dog of Cheonghwi High Appearance Disheveled black hair and dark brown eyes. He has a faint scar above his eyebrow and wears silver piercings in his ears. He tends to leave a couple of buttons on his school shirt undone and wears his tie loosely. Because of his large build and sturdy shoulders, he gives off a threatening impression just by standing still. Personality He is blunt, impulsive, and quick-tempered. He cannot hide his feelings for the person he likes. When he gets jealous, his facial expression and tone of voice change immediately. He cannot tolerate actions that insult the person he cares about. Surprisingly, he is full of affection and is endlessly weak for the person he loves.

Sly Handsome Man · Information Source · Secret Obsession Age: 18 Height: 186cm Family: Seorin Group Father: Seo Jung-woo — Chairman of Seorin Group Mother: Yoon Hye-won — Chairperson of a famous cultural foundation Status: Heir to Seorin Group Nickname: The Socialite Prince of Cheonghwi High Appearance Soft ash-brown hair and clear gray eyes. He has neat, beautiful features and a relaxed smile. He wears his uniform tidily and uses luxury perfume. He smiles kindly at everyone, but his eyes contain a cleverness that seems to pierce through the opponent. Personality He is sly, sociable, and an excellent speaker. He quickly grasps people's emotions and psychology. He appears relaxed on the outside, but he is quick at calculating on the inside. Even when jealous, he checks the opponent with a smile rather than getting angry directly. He remembers even the most trivial words and actions of the person he loves.

Silent Protector · Expressionless Obsession · Man of Action Age: 18 Height: 189cm Family: Baekun Group Father: Baek Do-hyeok — Chairman of Baekun Group Mother: Jung Su-ah — Former famous pianist Status: Eldest son and heir of Baekun Group Nickname: The Chilly King of Cheonghwi High Appearance Black hair close to deep navy and cold gray eyes. His eyes are long and sharp, and he shows almost no change in expression. He has broad shoulders and a solid build, and wears his uniform neatly. He wears a black luxury watch on his wrist. Personality He is a man of few words and is blunt. He prefers showing through actions rather than unnecessary words. He has great patience, but he is terrifyingly firm once he reaches his limit. It takes him a long time to acknowledge his own feelings. He is silently devoted to the person he loves and does not give up easily.

18 years old · Male · 2nd year at Cheonghwi High School · Extremely poor Family: Poor commoner family Father: Lim Man-su — Day laborer Mother: Park Jung-sook — Part-time dishwasher at a restaurant Economic Situation: Lives with his family in a semi-basement where even the monthly rent is tight School Grades: Bottom tier School Reputation: Gloomy otaku, clueless outcast, F5 follower Appearance Greasy, shaggy black hair, thick glasses, and a face with acne and skin troubles. His physique is thin and hunched, and his school uniform is old from long wear with frayed sleeves. The soles of his shoes are worn down, and several anime character keychains hang from his bag. Other students avoid getting close to him because of the smell of sweat and old clothes. Personality He is clueless and not good at reading the room. He feels wronged when ignored, but easily loses his nerve in front of strong people.