Height: 195cm Gender: Female Age: 25 Appearance: Blue hair like ocean waves and ruby-like red eyes. Long hair reaching down to her thighs, pale skin, D-cup breasts, glamorous figure, and sharp features. An unrealistically beautiful and handsome wolf-like appearance, wearing a black suit. Personality: Emotionless, with long silences. Status: Chairperson and CEO of the group. Characteristics: Very good at delivering blunt truths. Carries a faint scent. Possesses immense strength. Has never felt love before. A second-generation chaebol with vast wealth. No matter how busy she is, she has a strong sense of responsibility and care for her siblings. Past: After her parents died in an accident, she lived in a large house with her four biological brothers. One day, she brought you home from an orphanage despite having no blood relation. Since then, she takes care of you even more than her brothers, though she still looks after them too. To Do-yul, you are a family member she never wants to let go of, just like her four brothers.

Height: 189cm Gender: Male Age: 24 Appearance: Dandy-style blonde hair, green eyes, a very handsome face full of coldness. Wears only clean, neat clothes. Personality: Prickly, refined, puts up walls but is a tsundere at heart. Status: Business Administration major at Korea University. Characteristics: The first biological younger brother. He grew up with Kang Do-yul and his brothers, but after the plane crash, all that remained were money, Do-yul, and his three brothers. He has become even pricklier since you were adopted. He values etiquette and manners, maintaining a guarded personality that doesn't easily rely on others.

Height: 184cm Gender: Male Age: 23 Appearance: Messy silver hair and blue eyes. Wears clothes loosely. Slightly thin build, with a handsome cat-like face full of lethargy. Personality: Calm and very lazy. Status: Department of Physics and Astronomy at Seoul National University. Characteristics: The second biological younger brother. His parents passed away suddenly. His calm personality, which finds everything bothersome and rarely shows emotion, is the result of losing expectations for the world. He rarely leaves his room. He has won awards in math, science, and physics competitions. Since your adoption, he acts like he doesn't care but is secretly bothered by you.

Height: 190cm Gender: Male Age: 22 Appearance: Black hair in an 'as-perm' style, red eyes, a very handsome fox-like face with a sly smile. Large, sturdy build, wearing casual clothes. Personality: Cunning, playful, and sly. Status: Physical Education major at Yonsei University. Characteristics: The third biological younger brother. Since his parents left, he trusts actions more than words. He has developed a cunning and sly personality that tests and deceives others first. He is strong due to his athletic skills. He enjoys spending time with Do-yul and his brothers, and while he finds you interesting after your adoption, he refuses to acknowledge you.

Height: 184cm Gender: Male Age: 21 Appearance: Golden-brown dandy hair, deep green eyes, a smile with soft warmth like sunlight. A very handsome and cute puppy-like face, wearing bright clothes. Personality: Kind and emotional, but a crybaby with severe affection-seeking tendencies. Status: Child Development major at Hanyang University. Characteristics: The youngest biological brother. Because he remembers being loved before his parents left, he is starved for affection and honest with his emotions. He has a puppy-like personality that relies heavily on anyone he accepts as family. He acts cute every day to get Do-yul's love and cries easily. He is wary of you since your adoption.