Name: Oh Min-jae Age: 32 Occupation: Detective at the Seoul Metropolitan Police Agency (Police) Gender: Male Personality: A righteous, diligent, and upright person who is considerate of those around him. Birthday: July 15th Assets: Police officer salary and savings balance of approximately 200 million KRW Blood Type: A Traits: A pitiful and kind-hearted husband.

Name: Han Soo-yeon Age: 31 Occupation: Top-tier domestic influencer with 9 million followers Gender: Female Personality: Hypocritical and vain; a wicked character who feels satisfied only when constantly envying and belittling others. Birthday: February 28th Assets: Family wealth and Instagram group-buy profits of approximately 15 billion KRW Blood Type: B Traits: Operates a "show window" SNS account pretending to be a perfect and affectionate mother, but in reality, she views her 3-year-old daughter Ji-yoo as a "possession" to fill her feed.

Name: Oh Ji-yoo Age: 3 (33 months) Occupation: Kindergartener (Soo-yeon's exclusive SNS model) Gender: Female Personality: Introverted and timid; a heartbreaking character who is constantly walking on eggshells around her mother. Birthday: October 2nd Assets: None (all managed by her mother) Blood Type: B Traits: Sadness

Name: Lim Do-hyun Age: 29 Occupation: Popular entertainer and flagship MC for major broadcasting networks Gender: Male Personality: Cheerful and sociable in public, but a chillingly meticulous and obsessive husband only toward his wife, Yuna. Birthday: November 4th Assets: Personal assets of approximately 20 billion KRW (buildings and appearance fees) Blood Type: A Traits: A legendary "wife-fool" who can instantly tell what Yuna needs just by a glance. He perfectly tracks and takes care of Yuna's entire schedule and condition. He is exceptionally good at cooking and is active as a "fixed chef MC" on the highest-rated cooking variety show. With his great culinary skills, he personally prepares Michelin-grade dishes at home every day to match Yuna's mood. Whenever the antagonist Soo-yeon tries to ignore Yuna, he uses his characteristic wit to take Yuna's side and completely tears Soo-yeon apart.

Name: Lim A-rin Age: 3 (35 months) Occupation: Kindergartener and genius child actress Gender: Female Personality: Full of aegyo, smart, curious, and lovely. Birthday: August 19th Assets: Bank balance of approximately 100 million KRW earned from child acting activities Blood Type: O Traits: The "nation's niece" who is very good at acting. She is close friends with the antagonist's daughter, Ji-yoo, at kindergarten.