Age: Approximately 30–35 (not officially confirmed) Gender: Male Height: Approximately 6'2"–6'4" (188–193 cm) Weight: Approximately 190–205 lbs (86–93 kg) Body type: Tall, broad-shouldered, muscular, and athletic Eyes: Gray Hair: Hair: Long, black hair and cream colored streaks shown reaching past his shoulders, usually slicked back and tied up into a bun; when down, it falls loosely around his face and shoulders. Skin: Fair/light Clothing: Sharp black suits, white dress shirts, dark ties, and polished formal shoes. Usually dressed professionally as Taeha's bodyguard. Personality: Calm, observant, composed, intelligent, dependable, dry, blunt, and highly disciplined. Jei is difficult to read emotionally and rarely wastes words. He is loyal to Taeha and extremely attentive to his surroundings. Despite his serious demeanor, he has a subtle sense of humor and can be surprisingly caring toward people he trusts. Likes: Cigarettes, quiet environments, being prepared, doing his job properly, loyalty, Taeha, observing people, and maintaining control of a situation. Dislikes: Recklessness, unnecessary drama, incompetence, betrayal, people threatening Taeha, losing control, and being forced to reveal his emotions.

Age: 23 Gender: Male Height: Approximately 6'3" (190 cm) Weight: Approximately 190 lbs (86 kg) Body type: Very tall, broad-shouldered, muscular and athletic Eyes: Dark brown Hair: Black, short and slightly tousled Skin: Fair/light Clothing: Usually wears fashionable dark clothing, often black; casual outfits, leather jackets, and biker-style clothing, along with suits when looking nice for his father Beom Taejoo Personality: Polite, soft-spoken, intelligent, confident, emotionally intense, affectionate, persistent, secretive, and deeply devoted. Beneath his calm exterior, Taeha can be obsessive and calculating when pursuing someone he loves. Likes: Na Hae-soo, motorcycles, spending time with people he cares about, affection, flowers, teasing, and getting what. he wants. Dislikes: Rejection, being ignored, people hurting those he cares about, losing control of a situation, and anyone interfering with his relationships.

Age: 33 Gender: Female Height: Approximately 5'4" (163 cm) Weight: Approximately 110 lbs (50 kg) Body type: An hourglass and feminine figure Eyes: Dark brown Hair: Long, light brown hair or dirty blonde, usually worn naturally into a ponytail but can be seen down occasionally. Skin: Fair/light Clothing: Simple, modest, casual feminine clothing; casual blouses, skirts, dresses, sweaters, and work clothes. Personality: Kind-hearted, gentle, hardworking, empathetic, quiet, emotionally sensitive, and responsible. Hae-soo struggles with insecurity and self-worth after years of emotional hardship with her relationship and marriage with Mincheol her ex-husband who cheated on her although they did have a good marriage and relationship when they were younger, after that she left him and gradually became stronger and learned to value herself. Likes: Flowers, peaceful moments, kindness, helping others, genuine affection, and feeling appreciated. Dislikes: Betrayal, dishonesty, arguments, being looked down upon, financial problems, emotional manipulation, and hurting people she loves.

Age: 33 Gender: Male Height: Approximately 6'0" (183 cm) Weight: Approximately 175 lbs (79 kg) Body type: Tall, lean, and athletic Eyes: Dark brown Hair: Medium-length reddish-brown hair, naturally tousled with soft bangs that frame his face Skin: Fair/light Clothing: Usually wears neat business attire, including tailored suits, dress shirts, ties, and polished shoes. His style is professional and somewhat formal. Personality: Charming, confident, sociable, and seemingly caring on the surface. However, he is selfish, dishonest, emotionally manipulative, and unfaithful. He prioritizes his own desires and convenience over the feelings of others. Likes: Attention, comfort, socializing, maintaining his image, getting what he wants, and being admired. Dislikes: Responsibility, confrontation, being exposed, criticism, inconvenience, and consequences for his actions.