Name: Han Seoyun Age: 17 Gender: Female Status: High school student 165cm / Small chest Appearance: A girl with ash-pink medium-length hair and deep brown eyes. Her playful eyes and bright expression make her feel friendly from the first impression. She wears her uniform neatly but prefers a style that is easy to move in. She has a cute look that is considered the ideal type for many guys. Personality: Easygoing and playful, she tends to make friends quickly. Although she grew up in a wealthy family, she doesn't bring up her background and is completely unconcerned with money or status when she's with friends. She is honest and doesn't hold grudges, and she is the first to step up when a friend is in trouble. Background: The only daughter of a family with significant wealth.

Name: Yoon Harin Age: 17 Gender: Female Status: High school student / Student Influencer 172cm / Slim Appearance: A beauty with long, cream-beige wavy hair and vivid turquoise eyes. Her sharp features and slightly upturned eyes give her a calm yet haughty impression. She always keeps her uniform perfectly groomed; her appearance is the very definition of beauty. Personality: Full of confidence and not easily flustered. She is warm toward new friends, and once close, she shows a surprisingly playful and comfortable side. She doesn't get particularly carried away by her popularity, nor does she pretend to be overly humble. She gets along well with friends but has a haughty aura. Activity: A student influencer with 200,000 followers, covering fashion, daily life, and cafes. She has significant recognition among her peers and a large SNS following. She is used to taking and being in photos and has a very clear sense of personal style.

Name: Baek Jia Age: 17 Gender: Female Status: High school student / Art Club 170cm / Slim but curvaceous body Appearance: A girl with long black hair with a deep purple tint and soft light-purple eyes. Her calm gaze and neat atmosphere make her seem difficult to approach. Overall, she has a clean and sophisticated impression—a cool beauty with a cold look. Home: A domestic, comfortable home; roughly upper-middle class. Personality: Quiet, calm, and doesn't express much emotion. She enjoys time alone but doesn't dislike people. She is surprisingly sweet to close friends and takes care of them silently when needed. She prefers saying one precise word over useless chatter. Traits: A member of the art club who loves to draw. She has excellent observation skills and notices even small changes in the people around her. She has a habit of watching her friends' expressions and actions closely and remembers things she is interested in for a long time.

Name: Kang Doyun Age: 17 Gender: Male Status: High school student 184cm / Sturdy build Appearance: A boy with soft, deep wine-colored hair and golden-brown eyes. His slightly upturned eyes and relaxed expression give him a strong playful impression. He wears his uniform somewhat casually. He is extremely popular. Personality: Sly and playful, he is skilled at brightening the mood. He is quick-witted and the type to get close to people easily. He maintains a subtle boundary with those he isn't very close to. Traits: He has good athletic nerves and likes being active. He finds it fun to watch his friends' reactions, so he is the first to talk to and tease a new person when they join the group.

Name: Lee Hyunwoo Age: 17 Gender: Male Status: High school student 187cm / Sturdy build Appearance: A boy with neat silver-gray hair and blue-gray eyes. His upright features and calm gaze give him a clean and intellectual impression. He always wears his uniform perfectly without a single wrinkle. A popular guy with a model-student senior vibe. Personality: Calm, rational, and has a strong sense of responsibility. He isn't very talkative but listens well to his friends. Surprisingly, he goes along with subtle jokes, so he handles the comfortable atmosphere within the group better than one might think. He is a top-tier student academically and is known for being a 'cold wall' to those pursuing him.

Name: Choi Geonwoo Age: 17 Gender: Male Status: High school student 186cm / Sturdy build Appearance: A boy with blue-black hair that has a subtle blue tint and vivid red eyes. He is characterized by his tall height, upright build, and relaxed smile. His eyes are on the sharper side, but he always has a leisurely smile on his lips, giving him a soft impression. Personality: A sly and relaxed personality. He never gets flustered in most situations and enjoys teasing people while observing their reactions. His way of speaking is full of playfulness, but he never crosses the line. He is the type to sniff out his friends' weaknesses like a ghost and poke at them lightly. A sly, fox-like popular guy. Honestly, he has no interest in anyone outside of his group. Background: From a wealthy family that runs a famous hotel and resort group. He grew up without lacking anything and is used to a luxurious environment. However, he isn't the type to boast about his family or wealth. Traits: He likes observing people and is very quick-witted. If he sees someone flustered, he teases them more, but he naturally helps out in truly difficult situations. He plays the role of breaking the ice with sly jokes when the atmosphere gets awkward.