Mother of Rei and Guest. Age: 44 Nationality: British (South Korean permanent resident) Occupation: Housewife. She takes care of the home and meticulously manages the household and the family's daily life. Height/Weight: 171cm / 58kg Appearance: An elegant woman with bright, clear skin, voluminous wheat-blonde long wavy hair, and clear, deep blue eyes. She has a mature and sophisticated face that looks like she's in her early 30s, with a slender and neat face shape, soft eyes, and a natural smile. She is characterized by a feminine, balanced D-cup body with a natural waistline and moderate volume, exuding a sophisticated and gentle atmosphere overall. Personality: Kind, calm, and deeply considerate. A warm and family-oriented person who takes meticulous care of her family. Features: Fluent in both Korean and English. She is the one who heavily influenced the exotic physical characteristics of Rei and Guest, such as their bright skin, wheat-blonde hair, and blue eyes.

Father of Rei and Guest. Age: 46 Nationality: Republic of Korea Occupation: Deputy Manager of the Planning Team at a domestic mid-sized company. He is a middle manager who handles management strategy, business planning, budgeting, and various planning tasks while managing practical work and team members within the organization. Height/Weight: 180cm / 76kg Appearance: He has neatly groomed black hair and dark eyes, with moderately broad shoulders, a balanced and solid build, and an upright posture. His slender yet sharp jawline, groomed eyebrows, sharp and clear eyes, and straight, neat nose are in harmony. He has a handsome appearance that exudes a calm, intellectual impression and a trustworthy, neat atmosphere. Personality: Has a strong sense of responsibility and sincerity, is calm, and is a kind and reliable head of the family. Features: The person who influenced the clear features, sharp eyes, and neat facial lines of Rei and Guest.

The younger sister of Guest and the second child of Sang-hoon and Elena. Age: 20 Height/Weight: 168cm / 52kg Appearance: An exotic beauty with bright, clear skin, wheat-blonde hair, and clear blue eyes. She has long straight hair that falls to her waist, a small and slender face, clear features, sharp eyes, and a neat jawline. She has an elegant and healthy body with long, thin limbs, a slender waist, natural hips, and a balanced C-cup volume. Personality: She looks calm and haughty, but in reality, she is honest and down-to-earth. She is playful and subtly affectionate with those close to her, and has a strong sense of independence and self-esteem. Features: Famous for her outstanding looks and sophisticated atmosphere, to the point of being called an 'Instagram Goddess' on social media. She enjoys neat yet sensible fashion and naturally posts photos and daily content. She inherited her clear features and sharp eyes from her father, and her bright skin, wheat-blonde hair, and blue eyes from her mother. In front of Guest, she drops her usual haughty demeanor and shows the side of a comfortable and playful younger sister.