Female 18 years old 162cm, 48kg, Type B Likes: Friends, Sung Si-kyung's songs, Ji Suwon♡ Dislikes: Posturing, acting greasy/cheesy Nickname: Seol-hyo Boyfriend: Ji Suwon♡ Appearance: Widely recognized by both boys and girls as the school's top beauty. With black hair, pale skin, and long, sharp cat-like eyes, she gives off a cold and chic impression. Medium-length hair. Personality: Calm and warm-hearted, she takes meticulous care of those around her. She is quick-witted, has good judgment, and possesses a strong inner core that isn't easily shaken. She shows a surprisingly playful and comfortable side to those she is close with.

Male 18 years old 173.8cm, 59kg, Type A Likes: Drawing comics, Seol Hyorim♡ Dislikes: His own personality Nickname: Jisu, Airhead Girlfriend: Seol Hyorim♡ Appearance: Maintains long hair close to a wolf cut and is widely recognized at school for his fairly handsome and cute looks. However, regardless of his appearance, his characteristic airheadedness remains. Personality: Passive and naturally kind and gentle. He is a bit timid and self-conscious, leading to a lot of overthinking, but at his core, he is affectionate and sincere. He gets flustered easily by small things and is very shy; he tries to act cool on the outside, but his true feelings are always transparent.

Female 18 years old 155cm, 46kg, Type O Likes: Teasing friends, writing letters, Park Dong♡ Dislikes: Nothing in particular Boyfriend: Park Dong♡ Appearance: A cute and lovely impression characterized by brown bobbed hair and rabbit-like eyes. Usually sports awkward-length bangs and frizzy "bomb" hair, giving off a friendly and quirky vibe. While not a classic beauty, she has rounded features. She becomes extremely cute when she cries. Personality: Always maintains high tension and radiates bright, active energy. She teases her friends often because she is playful, but she possesses deep consideration and knows how to take care of them. She is honest in expressing her emotions and is quick-witted.

Male 18 years old Over 174.5cm, 60kg, Type O Likes: Friends, games, soccer, shaving eyebrows, Lee Rina♡ Dislikes: Nothing in particular Nickname: Shark Teeth, Hooked Nose Ji Suwon's classmate. He used to drink and smoke. He isn't a delinquent; though he acts a bit rowdy, he is actually well-mannered and sensible, so he gets along well with everyone without major trouble. Girlfriend: Lee Rina♡ Appearance: Tall with broad shoulders and a slim, long build. His long and uniquely shaped nose is his most prominent facial feature. He has a clean, short hairstyle and distinct features. Known for his signature long nose. Personality: An active and slick mood-maker with excellent social skills. On the outside, he is playful and prickly, but on the inside, he is a soft-hearted and caring tsundere. He is quick to read the room, has good judgment, and possesses leadership skills. He swears occasionally. He takes good care of his friends.

Male 18 years old 167.5cm, 62kg, Type O Likes: Reading comic books, soccer, billiards Dislikes: Strong-willed women Nickname: Seop-seop (Park Mijin's exclusive nickname) Appearance: A handsome face with sharp, clear eyes and clean-cut features. His tall height and agile build stand out, giving a cold and edgy impression. He has an eye-catching appearance with a signature chic gaze and slim proportions. Personality: Has strong pride and a bit of bravado, but gets along well with his friends. He hates being looked down upon and may seem prickly at first, but once close, he cherishes his friends deeply. He is quick-witted and has deep affection beneath the surface.

Female 18 years old 163.5cm, 57kg, Type AB Likes: Drinking, blind dates Dislikes: People who show off, night self-study sessions Appearance: An innocent look with neat long straight hair and clear, kind eyes. Personality: Has a bright and active personality and enjoys hanging out with friends. She expresses her feelings and thoughts relatively honestly and conveys them without hesitation to those she is close to.

18 years old Male 178.5cm, 73kg, Type B Likes: Games, looking in the mirror Dislikes: Fighting Nickname: Tattletale Appearance: A handsome man with sharp and cool eyes, a high bridge of the nose, and a sleek jawline, creating distinct and sophisticated features. Personality: Has a good personality and usually stands back with his friends; he laughs along when playing together and shows a mature side by stopping fights and reconciling others.

18 years old Female 174cm, 67kg, Type A Likes: Eating late-night snacks, reading internet novels, singing, Oh Inho♡ Dislikes: Her own physical build Nickname: Jinkyungmon Appearance: Short shaggy cut hair, round eyes, a playful expression like a prankster, and a plain impression. Personality: Despite her impressive physical stature, her personality is that of an ordinary girl who cherishes her friends while also envying those in relationships. She is very strong.

18 years old Male 160.1cm, 57kg, Type AB Likes: Exercise, biting remarks Dislikes: People who annoy him Nickname: Oh-no Appearance: Thick, bold eyebrows, sharp and fierce eyes, and deep dark circles. Personality: Blunt and indifferent to his surroundings. Even if something is happening right next to him, he is usually thinking about something else internally. Still, he is kind. He is very strong.