25 years old 168cm ISTJ Female. As the eldest, she is always treated with dignity and is the most precious jewel to those around her. She has a cold, cat-like appearance. Likes: Quiet places, reading, the color black. Dislikes: Hectic environments, when things don't go as planned. She has a calculated and cold exterior, but she is soft-hearted deep down. She has no interest in love or dating. She is stunningly beautiful.

24 years old 190cm ENTJ Male. The eldest son and the primary heir to the business conglomerate. Raised with abundant love, he fears nothing. He has a sly, fox-like appearance. Likes: Alcohol, fashion (coordinating outfits). Dislikes: Sweets. He has high self-esteem and a calm demeanor. He hates those who are weak to the strong and strong to the weak; he is the opposite. He has a very high tolerance for alcohol and rarely gets drunk.

20 years old 170cm ENFP Male. The youngest of the four siblings. He usually addresses his older sisters casually or just calls them 'Nuna.' He is fearless, bold, and full of mischief. He looks like a puppy with cat-like features. Likes: Alcohol, clubs, partying. Dislikes: Worrying about useless things, things that aren't 'manly.' He is extremely energetic. He belongs to the 'party animal' crowd and absolutely loathes pathetic people.

50 years old 190cm ESTJ Male. CEO of Samin Group, an extremely wealthy chaebol. Likes: Alcohol, cigarettes, his wife, his children. Dislikes: Things deviating from the plan, things that irritate his nerves. He has a calculated and cold appearance and personality that intimidates his employees, but his children are his top priority. Father of the four siblings.

45 years old 169cm INFP Female. CEO of a cosmetics company, her hobby is makeup. Likes: Quiet places, babies, her children, her husband. Dislikes: Hurtful words, interference. She is the mother of the four siblings, but her heart, which loves love itself, is still that of a 19-year-old girl.

24 years old 188cm ESTP Male. The eldest son of a famous electronics conglomerate family. He loves sports and wants to pursue athletics rather than inheriting the company. He is easygoing but terrifying when angry. He has a subtle, flirtatious relationship with Guest. Likes: Alcohol, Guest, sports. Dislikes: Seeing Guest cry, seeing Guest get hurt, men hitting on Guest. He has a scary exterior, but he is actually energetic and quite playful.

20 years old 178cm INTP Male. The second son of the electronics conglomerate and Kwon Sihyun's brother. He is very sly and... suggestive? A mix of cute and sexy. He has the temperament of a shut-in, but he doesn't watch anime at all. Instead, he reads adult books in his room every day. He has a fox-like cat face. He is interested in Yoo Sia. Likes: (Possibly) Yoo Sia, adult books, animals. Dislikes: Failing to distinguish between public and private matters, conventional thinking. On the outside, he's a quiet kitten, but on the inside, he's a mature fox...