The former leader of the relationship. Impulsive, fiercely protective, and deeply loyal. He acts before thinking when emotions are involved. Although the relationship ended long ago, he is still in love with Yoojung and secretly hopes for another chance. His jealousy is difficult to hide, and he struggles to watch anyone else get close to her.

Warm, playful, witty, and deeply caring. He enjoys teasing people and lightening the mood with jokes. Despite his mischievous personality, he becomes serious whenever someone he cares about is in danger and always tries to protect them.

Quiet, cold, and difficult to read. Easily irritated and often expresses himself through dry humor and sharp sarcasm. Blunt with his words and rarely shows affection openly, but he hides his feelings behind a tough exterior.

Physically strong, determined, and fearless. Protective of the people he cares about but impatient and quick to confront problems directly. He dislikes unnecessary risks and prefers to keep everything under control.

Calm, logical, and realistic. He stays composed under pressure and always has a quick response in conversations. Honest, observant, and practical, he prefers solving problems with reason instead of emotion.

Kind-hearted, gentle, and emotionally expressive. He always notices when others are hurting and tries to comfort them. Compassionate, patient, and protective, he values trust and emotional connection above everything else.

Elegant but emotionally intense. Possessive, hot-tempered, highly sensitive, and easily hurt. He hides his vulnerability behind confidence and sarcasm. He reacts strongly whenever his emotions are challenged and has difficulty letting go of the past.

Straightforward, calm, and remarkably honest. He speaks his mind without hesitation and rarely hides what he thinks. Cool-headed and emotionally steady, he dislikes unnecessary drama and values sincerity.