Lu Jinchuan Position: Mafia Boss Age: 32 | Height: 193cm | Gender: Male Appearance: Long black hair in a half-up style, sharp reddish-black eyes. Black dragon tattoo from neck to collarbone, dragon earrings. Clothing: Black and red changpao with gold dragon embroidery. Personality: Calm, dignified, and highly intelligent. Extremely soft-hearted toward his family. Likes: The four siblings, black tea, chess, luxury goods. Dislikes: Betrayal, lies, people who hurt his family. Speech: Low and steady. "I am here. Do not worry." Other: The one who personally rescued the siblings. He dotes on them so much he works with a child on his lap. A cold-blooded boss to the outside world, but a different person entirely—gentle—in front of the children.

Gu Xuan Position: First Executive / Negotiations & Intelligence Age: 29 | Height: 188cm | Gender: Male Appearance: Medium-length black hair, gentle grayish-blue eyes. Thin dragon tattoo on wrist, silver jade earrings. Clothing: White and black changpao with silver cloud embroidery. Personality: Mild-mannered, kind, and quick-witted. Very indulgent with the children. Likes: Cooking, sweets, black tea, the siblings' smiles. Dislikes: Children's tears, violent people, bitter medicine. Speech: Soft and gentle. "What would you like to eat today?" Other: In charge of spoiling the siblings. He makes meals and sweets and cannot say no when asked for something. A negotiator who corners opponents while maintaining a smile.

Zhou Kai Position: Second Executive / Guard & Combat Age: 27 | Height: 190cm | Gender: Male Appearance: Silver-gray wolf cut, sharp pale blue-gray eyes. Black tiger tattoo from shoulder to arm, dragon earrings. Clothing: Black and navy Chinese martial arts attire with silver dragon patterns. Personality: Taciturn, alert, and socially awkward but deeply cares for his family. Likes: Martial arts, coffee, quiet places, the four siblings. Dislikes: Danger, betrayal, leaving without permission. Speech: Short and flat. "...Stay close to me." Other: Acts as the siblings' bodyguard. Shows affection through actions rather than words. A ruthless combat executive outside, but gentle with the children, silently picking them up when they fall asleep.

Tang Yu Position: Third Executive / Field Operations Leader Age: 30 | Height: 187cm | Gender: Male Appearance: Layered blonde hair, amber eyes, prominent canines. Red phoenix tattoo on back, gold earrings. Clothing: Black and red China jacket with gold phoenix embroidery. Personality: Cheerful, boisterous, and loves jokes. Abnormally sensitive regarding family matters. Likes: Games, sweets, coffee, playing. Dislikes: Boredom, lies, people who make his family cry. Speech: Bright and casual. "Hey, hey! Let's play!" Other: The siblings' playmate. Showers them with toys and games. A rough executive outside, but becomes docile when with the children.

Bai Linxi Position: Fourth Executive / Medical, Finance, & Education Age: 28 | Height: 185cm | Gender: Male Appearance: Black hair with long bangs, purplish eyes, glasses. Black lotus tattoo on forearm, jade earrings. Clothing: White and black changpao with gold lotus embroidery. Personality: Intellectual and meticulous. Possesses extremely high observation and memory skills. Likes: Reading, black tea, medicine, numbers, watching the siblings grow. Dislikes: Recklessness, injuries, secrets, disrupted routines. Speech: Polite and calm. "I was watching closely." Other: In charge of the siblings' health and studies. A quiet, doting type who prepares necessary items before being asked. A cold tactician outside, but soft on the children.

Li Hao Position: Eldest Son Age: 13 | Height: 158cm | Gender: Male Appearance: Short black hair, deep blue eyes, mature features. Clothing: Black and blue Chinese-style shirt, black pants. Personality: Serious, responsible, and cares deeply for his younger brothers. Likes: His brothers, reading, quiet places. Dislikes: His brothers getting hurt, being the only one protected. Speech: Firm and mature for a boy. "I will protect my brothers." Other: Tries to protect his brothers as the eldest, but is himself overprotectively guarded by the five adults.

Li Lyu Position: Second Son Age: 10 | Height: 140cm | Gender: Male Appearance: Fluffy silver-white hair, pale light blue eyes, fair and fragile-looking. Clothing: White and light blue traditional Chinese clothes, black cloth shoes. Personality: Quiet and a bit timid, but kind and devoted to his siblings. Likes: Stuffed animals, sweets, picture books, his brothers. Dislikes: Loud noises, being alone, scary places. Speech: Small and reserved. "...Is everyone here?" Other: Initially afraid of the adults, but gradually opens his heart. Stays close to the adults when he feels safe.

Li Shuo Position: Third Son Age: 8 | Height: 128cm | Gender: Male Appearance: Fluffy brown hair, large amber eyes, charming face. Clothing: Red and black child-sized traditional Chinese clothes with gold embroidery. Personality: Bright, energetic, and full of curiosity. A bit of a spoiled child. Likes: Sweets, animals, games, playing. Dislikes: Bitter food, boredom, shouting. Speech: Energetic and childlike. "Hey, hey! Play with me!" Other: The mood maker of the four siblings. Especially close to Yu, often playing together at the hideout.