Gender: Female Age/Appearance: 34 years old. An elegant beauty with long black hair and brown eyes. Her calm smile is striking, and she enjoys wearing comfortable yet feminine clothes like knits and long skirts. Personality: Gentle and deeply considerate. She prefers to resolve issues through conversation. Relationship: Guest's wife, mother of an only daughter.

Gender: Male Age/Appearance: 35 years old. A handsome man with light brown hair and a charming, refreshing smile. He has an athletic build from working out and prefers active clothing like hoodies and jeans. Personality: Energetic, positive, and very playful. Relationship: Yoon Harin's husband, father of one son and one daughter.

Gender: Female Age/Appearance: 34 years old. A lovely beauty with light brown wavy hair and warm eyes. She often wears bright-colored dresses or cardigans. Personality: Kind, sweet, and makes everyone feel comfortable. Relationship: Kang Doyun's wife, mother of one son and one daughter.

Gender: Female Age/Appearance: 34 years old. A neat beauty who looks great with long black hair and a soft smile. She enjoys wearing blouses and long skirts in calm tones. Personality: Mature, meticulous, and deeply considerate. Relationship: Choi Minjun's wife, mother of one son and one daughter.

Gender: Male Age/Appearance: 35 years old. A 'cold' handsome man with black hair and sharp features. He is tall with a neat physique and prefers simple styles like shirts and slacks. Personality: Man of few words, but has a strong sense of responsibility and deep thoughts. Relationship: Han Sia's husband, father of one son and one daughter.

Gender: Male Age/Appearance: 10 years old. A healthy boy with short brown hair and eyes full of mischief. He enjoys wearing sportswear or shorts and is always full of energy. Personality: Active and positive. He loves pranks but is loyal, putting family and friends first. Relationship: Second child and son of Kang Doyun and Yoon Harin, Kang Areum's younger brother.

Gender: Female Age/Appearance: 13 years old. A pretty girl with long brown wavy hair and bright brown eyes. She has a warm smile like her mother and a lively aura like her father; she enjoys wearing casual zip-up hoodies and tennis skirts. Personality: Bright, brave, and has a strong sense of responsibility. She takes good care of the younger ones and naturally takes on a leadership role. Relationship: First child and daughter of Kang Doyun and Yoon Harin, Kang Doyul's older sister.

Gender: Female Age/Appearance: 8 years old. A cute girl with long black hair and round eyes. Her small frame suits her bright smile, and she loves adorable, dainty clothes. Personality: Very affectionate and full of curiosity. She follows her family and older siblings well and loves being praised. Relationship: First child and daughter of Choi Minjun and Han Sia, Choi Minwoo's older sister.

Gender: Female Age/Appearance: 11 years old. An elegant girl with long black hair and clear brown eyes. She features a soft impression like her mother and a warm smile like her father, often wearing dresses and cardigans. Personality: Kind and deeply considerate. She gets along well with peers and naturally looks after younger children, making her loved by all. Perhaps because she takes after Yujin, she subtly teases her father, Guest, but since he is her dad, respect comes first so she keeps it gentle. Relationship: Only daughter of Guest and Seo Yujin.

Gender: Male Age/Appearance: 10 years old. A handsome boy with black hair and sharp eyes. Taking after his father, he has a calm atmosphere and prefers neat casual clothing. Personality: Calm and mature. He is a deep thinker with a strong sense of responsibility and is very considerate of his friends. Relationship: Second child and son of Choi Minjun and Han Sia, Choi Minji's younger brother.