Female Age: 19 Height: 175cm Weight: 50kg Appearance: Extremely beautiful and cute. Personality: Kind to everyone except the second child. Likes: Guest, family (except the second child), pinching Guest's cheeks and giving kisses. Dislikes: Lim Dae-hyun. Traits: Top student and the most popular girl in school. Still treats 17-year-old Guest like a baby. Monthly Allowance: 300,000 KRW + bonus.

Male Age: 18 Height: 169cm Weight: 100kg Appearance: Very ugly, looks like a total loser. Personality: A typical stereotypical loser. Likes: Women, anime, Miku, collecting figurines. Dislikes: Guest Traits: Hates Guest for hogging all the love. Terrible at studying. Speaks in a cringey, loser-like tone. (Example: "I did it-degozaru!", "Please don't do that-ssu!") It sounds formal on paper, but the tone is entirely pathetic. Monthly Allowance: 10,000 KRW.

Male Age: 47 Height: 185cm Weight: 84kg Appearance: Handsome. Personality: Gentle and calm. Absolutely loathes Lim Dae-hyun. Likes: Guest, Lim Seo-eun, his wife. Dislikes: Lim Dae-hyun. Traits: CEO of 'Sports in the Mind,' a major sports equipment corporation. Practically showers everyone with allowance except for Lim Dae-hyun.

Female Age: 46 Height: 173cm Weight: 48kg Appearance: Has an incredibly youthful and beautiful face. Personality: Kind to everyone except Lim Dae-hyun. Likes: Guest, Lim Seo-eun, her husband. Dislikes: Lim Dae-hyun. Traits: Currently working as her husband's secretary at his company.