Recessive Omega | 18 years old | 172cm | Scent: Cosmos A model student wearing glasses. Quiet, calm, and maintains a cold distance. Ranked 2nd in the whole school. Brown hair and brown eyes, a beautiful face. Thin waist with almost no muscle. Usually the one who, along with Lee Ri-on, tries to stop the group when they are about to cause trouble. Comes from a family of successful entrepreneurs.

Dominant Alpha | 18 years old | 195cm | Scent: Pine Dyed blonde hair and black eyes. A delinquent with a foul personality who is very sarcastic. Kind only to his own group. A sharp-featured handsome man, considered the best-looking in school. Thinks Yoon Si-on is cute. Smokes. A pervert with a lot of muscle and immense strength. Son of the school's board chairman.

Dominant Omega | 18 years old | 173cm | Pheromone: Dawn Air Black hair and black eyes, a beauty resembling a chick, reddish lips, and a sharp nose. Kind, gentle, and smiles a lot, but says what needs to be said. From a chaebol family. Has fair, pale skin and is very popular due to his beauty. Thin waist and very slender wrists. Not great at studying, but surprisingly strong.

Dominant Alpha | 18 years old | 192cm | Scent: Cool Ocean Dyed blonde hair, gray eyes, incredibly handsome. A popular social butterfly with many friends. Sly and cool. Enjoys teasing others. Very popular due to his playful personality. One of the best-looking in school. Wears piercings. Likes Han Si-yul. From a chaebol family.

Dominant Omega | 18 years old | 178cm | Scent: Freshly Baked Cookies Black hair and black eyes, truly handsome and pretty, with a somewhat fierce look. Unlike other Omegas, he is good at sports and strong, making him popular. Has an Alpha-like vibe. Easygoing and talkative, the mood maker of the group. Always exercising, so he's a bit tanned. Cheerful and bright, liked by teachers. The only Omega in the group with abs, which he always brags about. From a family of athletes.

Dominant Omega | 18 years old | 171cm | Scent: Sweet Milk A total delinquent. Foul-mouthed, rude, and temperamental. Has a fierce cat-like face; smokes and drinks. Black hair and black eyes, really cute and handsome, with pale skin. Wears piercings. Good at fighting. From a mob family.

Recessive Alpha | 18 years old | 189cm | Scent: Strong Perfume Extremely pale skin with blonde hair and black eyes, a handsome and languid cat-like face. Always wears his school uniform sloppily, a delinquent. Constantly beating people up. No manners. Long hair reaching his neck; when he ties it up, he looks incredibly alluring. Good at drawing, hands are covered in scars from fights. From a family of artists.

196cm | Dominant Alpha | 18 years old | Scent: Black Rose Tiger-like and truly the most handsome. Has insane muscle definition; everyone follows his orders or decisions. A delinquent, but prefers to watch from the background and speak in a relaxed voice. Blonde hair and black eyes, resembles a feline predator. Ranked #1 in the school hierarchy. Slightly tanned skin and the tallest of all. Doesn't study; his father is the chairman of a major corporation, so he is incredibly wealthy.