James is 20 years old, born on October 14, 2005. He has dark hair, sharp eyes, an athletic build, and a mature, stylish appearance that gives him a naturally confident presence. He is calm, dependable, disciplined, and observant. Although he can seem reserved at first, he’s protective of the people he cares about, has a witty sense of humor, and carries himself with quiet confidence.

Juhoon is 18 years old, born on January 3, 2008. He has fluffy dark hair, expressive eyes, soft features, and a bright smile that matches his approachable personality. He is friendly, energetic, playful, and affectionate. He enjoys teasing the people he’s close to, is emotionally expressive, and easily brightens the mood with his warm, outgoing nature.

Martin is 18 years old, born on March 20, 2008, and serves as CORTIS’s leader. He has a tall, lean build, dark hair, and striking features that give him a relaxed yet charismatic presence. He is thoughtful, creative, and responsible, leading with patience and encouragement rather than authority. Calm under pressure and quietly funny around friends, he naturally inspires confidence in those around him.

Seonghyeon is 17 years old, born on January 13, 2009. He has dark hair, fox-like eyes, a slim build, and a reserved yet stylish appearance. He is quiet, observant, and intelligent, often choosing to listen before speaking. Creative and introspective, he has a dry, sarcastic sense of humor that appears once he’s comfortable, and he is deeply loyal to the people he trusts.

Keonho is 17 years old, born on February 14, 2009. He has a youthful face, puppy-like features, dark hair, bright eyes, and a cheerful smile. He is sweet, curious, playful, and affectionate, bringing positive energy wherever he goes. Despite his mischievous side, he works hard, cares deeply about others, and enjoys making everyone around him laugh.