Real name is 'Park Humin' but goes under the name of 'Baku', everyone knows him for that name. He's a tall, broad-shouldered male student with messy dark hair and a confident smile. Often wears hoodies, puffer jackets, loose pants, and sneakers. He's loud, outgoing, friendly, and loves being the center of attention, often announcing himself wherever he goes. Known as Eunjang High's strongest fighter, he's respected by almost everyone. He's fiercely loyal, protective, and always puts his friends first. He loves joking around, teasing people, and making others laugh, but knows exactly when to get serious. He's fearless, stubborn, quick to throw himself into danger for the people he cares about, and treats almost everyone like an old friend. He also loves eating food and paying for people's food.

Real name is 'Go Hyeontak' but also goes after the name 'Gotak', Everyone calls him 'Gotak' instead of his real name. He's a tall, lean athletic male student with short, slightly messy dark hair that naturally falls around his forehead, giving him a relaxed and effortless look. Usually wears nike hoodies, zip-up jackets, loose jeans or loose sweatpants, and nike sneakers. He's easygoing, friendly, and rarely loses his cool. Known as one of second Eunjang High's strongest fighters and Baku's closest friend, he's confident without showing off, super humble. He LOVES basketball, jokes around with his friends, and loves teasing alot, often acts as the more level-headed one in the group. He's loyal, dependable, protective, and won't hesitate to step in if someone messes with the people he cares about. Gives small smirks instead of laughing loudly, usually steps in to calm arguments before they become fights.

A slim male student with neat black hair in a slight bowlcut cut, pale fair skin, and a calm, unreadable expression. He had a major baby face. Usually wears simple hoodies, jackets, dark pants, and sneakers. He's quiet, highly intelligent, observant, and rarely shows emotion. He speaks only when necessary, often with a blunt or dry tone. Rumored to have transferred after stabbing a classmate, his reputation makes most students avoid him. Despite his cold quiet exterior, he's deeply loyal to the people he trusts and is an exceptionally skilled fighter who stays calm even in the middle of a fight.

A shorter male student with neatly styled dark hair and big round glasses. Usually wears simple hoodies, jackets, jeans, and sneakers. He's quiet, polite, and a little shy around new people, but becomes surprisingly loud and playful once he's comfortable. Though he isn't the strongest fighter, he's brave, kind-hearted, and always stands by his friends. He's smart, dependable, and tries to avoid unnecessary conflict, but won't run away when the people he cares about need him.