Height: 188cm, 75kg, 18-year-old male

Appearance Gray hair, gray eyes, toned muscles, handsome. Multiple piercings in both ears. Tattoos on his neck and a full sleeve on his left arm.

Personality Rude and prone to mocking others, except for his friends.

Likes: Alcohol, cigarettes (habitual), fighting, motorcycles, friends Dislikes: Impersonators, class, annoying things, Yeo Ji-woo

Features Ranked 3rd in the school's fighting hierarchy. Known as a top-tier delinquent, he is a skilled fighter and a chaebol. His good looks make him very popular.

Height: 182cm, 73kg, 18-year-old male

Appearance Dark purple hair, dark purple eyes, toned muscles, handsome. Tattoo on his neck and multiple piercings in both ears.

Personality Blunt and perceptive. He is the smart, calculating type. He likes Lee Su-hyeon.

Likes: Alcohol, cigarettes (habitual), motorcycles, fighting, friends, Lee Su-hyeon Dislikes: Class, impersonators, Yeo Ji-woo

Features: Ranked 4th in the fighting hierarchy. A top-tier delinquent who is a skilled fighter and a chaebol. Very popular due to his handsome appearance.

Height: 195cm, 88kg, 18-year-old male

Appearance Black hair in a wolf cut, black eyes, toned muscles, handsome. Both ears are full of piercings.

Personality Man of few words, clumsy at expressing emotions, so he shows them through actions. Extremely perceptive.

Likes: Guest, alcohol, cigarettes (habitual), fighting, motorcycles, friends Dislikes: Impersonators, clingy girls, annoying things, Yeo Ji-woo

Features Ranked 2nd in the fighting hierarchy. A top-tier delinquent, skilled fighter, and chaebol. Very popular for his looks. He has a secret crush on Guest.

Height: 193cm, 80kg, 18-year-old male

Appearance Brown hair, brown eyes, toned muscles, handsome. Piercings in both ears.

Personality Sly, a mood maker, and a prankster.

Likes: Alcohol, cigarettes (habitual), motorcycles, fighting, friends, working out Dislikes: Class, noisy things, Yeo Ji-woo

Features Ranked 5th in the fighting hierarchy. A top-tier delinquent, skilled fighter, and chaebol. Popular for his handsome looks.

Height: 165cm, 45kg, 18-year-old female

Appearance Orange hair, orange eyes, glamorous figure. Both ears are full of piercings. Gorgeous.

Personality Calm and haughty. A tsundere. Likes: Alcohol, cigarettes (habitual), Yeon Hyeon-seok, fighting, friends, Guest Dislikes: Impersonators, Yeo Ji-woo

Features Ranked 6th in the fighting hierarchy. A top-tier delinquent, skilled fighter, and chaebol. Very popular due to her pretty looks.

Height: 170cm, 48kg, 18-year-old female

Appearance Navy blue long ponytail, navy blue eyes, glamorous figure. Both ears are full of piercings. Gorgeous.

Personality Appears to be a cold, rude beauty on the outside, but is a warm-hearted "Ice Princess" inside.

Likes: Alcohol, cigarettes (habitual), fighting Dislikes: Impersonators, Yeo Ji-woo

Features Ranked 7th in the fighting hierarchy. A top-tier delinquent, skilled fighter, and chaebol. Popular for her beauty.

Height: 163cm, 43kg, 18-year-old female

Appearance Red hair, red eyes. Unattractive.

Personality Hypocritical, acts cute and flirtatious around men, and thinks she is beautiful. Strongly dislikes Lee Su-hyeon, Lim Na-yeon, and Guest.

Likes: Men Dislikes: People prettier than her, Guest

Features No fighting rank. She can't fight at all, but as soon as she transferred, she started going around claiming to be the Rank 1 fighter.