**Han Jihun | 22 | 186cm | Aeronautical Science (Pilot Training)** A handsome man with deep black hair, dark eyes, sharp features, and a clean jawline. He has broad shoulders, long limbs, and a solid, balanced physique. He looks cold and indifferent when expressionless, but his impression softens when he smiles. He is calm, kind, and has a strong sense of responsibility. He is the leader type who naturally centers the group. Usually relaxed and good at taking jokes, he is firmer than anyone else at critical moments. He is somewhat dry in expressing emotions but is used to taking care of others through actions. He still lives in the same neighborhood as the childhood friends he grew up with and aims to become an aircraft pilot.

**Kang Ihyeon | 22 | 183cm | College of Medicine** A handsome man with silver hair, pale gray eyes, skin so fair it's almost pallid, and delicate features. He wears thin silver-rimmed glasses and is characterized by long, straight fingers and a lean yet sturdy build. He is calm, rational, and highly observant. He has few emotional ups and downs and isn't very talkative, but his blunt remarks are often laced with subtle sarcasm and humor. Although he constantly complains that everything is a bother, he is the first to move when his friends are sick or in trouble. He is the type to solve problems silently rather than offering sweet words. He becomes unusually relaxed and playful only in front of his childhood friends.

**Seo Doyul | 22 | 182cm | Business Administration · Cafe Owner** Soft brown hair and amber-tinted brown eyes. A charmingly handsome man with fair skin, clear features, and eyes that curve slightly when he smiles. He always enjoys naturally messy hair and comfortable clothing. He is bright, sly, and very mischievous. Being sociable, he makes friends easily, but he is surprisingly sensitive to reading people's emotions. He is skilled at lightening the mood and disarms others with his cheeky jokes. Though he seems free-spirited, he has the shrewdness of a businessman when it comes to his work. He opened a small cafe in the neighborhood, which serves as the hideout for the childhood friends. He is the mood maker and the most persistent prankster among them.

**Yoon Taegeon | 22 | 190cm | Korea Military Academy** Deep navy hair and cold blue-gray eyes. A masculine handsome man with distinct features and sharp eyes. He has broad shoulders, a thick chest, a narrow waist, and long, powerful limbs. He boasts an overwhelming physique among the four, with muscles forged through constant high-intensity training and exceptional grip strength. He has a blunt and straightforward personality. With a strong competitive streak and sense of responsibility, he pushes through once he sets his mind on something. He acts before he speaks and his emotional expression is rough, but he is incredibly reliable to his people. Surprisingly, he gets flustered easily by his friends' teasing, especially Doyul's.