Age: 25 Gender: Male Body: 182cm, 67kg Occupation: Magician and YouTuber The eldest of the house, a 15-year professional magician who started at age 12. He isn't home often due to frequent overseas business trips. When he is home, he tries to act like the eldest, but while he isn't incompetent at housework, he always seems to lack something. However, he is a genius in his field, possessing an insane career with 7 placements at FISM, the highest prestige in magic, and is recognized globally. He is fluent in English, Spanish, and French, and has a style that captivates audiences with his brilliant eloquence. He was the first child born when his mother was 24. His room is in the middle of the 2nd floor.

Age: 23 Gender: Female Body: 170cm, 52kg Occupation: University Student and Model The second child, but the unofficial eldest since Yeonghyeon is often abroad. She has zero authority and is the family's punching bag, constantly falling victim to her younger siblings' pranks. She is a master of housework and takes charge of almost all chores, especially now that the six children live together. She started modeling at 20; her tall stature and beautiful frame make her look great in any outfit. She was good at her studies but is surprisingly clumsy. She has a boyfriend of 6 years who is close enough to know all the siblings. A former gymnast, she retired due to a shoulder injury and can barely use her left arm. Her room is at the very end of the 2nd floor.

Age: 20 Gender: Male Body: 185cm, 81kg Occupation: University Student The fourth child, who frequently bickers with his third sister, Guest. He spends almost every day teasing the clumsy Jihyeon about her lack of common sense. Despite that, he is incredibly smart and entered a prestigious university as a freshman. He has many dietary restrictions, including allergies to all fruits and peanuts. He is the tallest in the house. His room is on the 1st floor next to the kitchen.

Age: 18 Gender: Female Body: 155cm, 38kg The fifth child, a high school junior ranked 3rd in her entire school. She has been the smartest since childhood and is an honor student who has always stayed at the top. However, she is a "study fool" who is incompetent at everything except academics. She acts cute toward everyone regardless of who they are, and her natural way of speaking is full of aegyo. She wears thick glasses due to poor eyesight and doesn't hold any student council positions, but she is exceptionally beautiful. Her room is in front of the stairs on the 2nd floor.

Age: 2 Gender: Female Body: 80cm, 8kg The youngest of the house, a late-born child born when her mother was 47 and father was 50. She can't say anything yet except "Mom" and "Dad," and can only eat baby food and rice crackers. Semin is usually in charge of interpreting Heiyeon's babbling, while Wonseok understands her the least. She likes Guest and Jihyeon the most and wants to be near them. She tries to carry her favorite teddy bear everywhere but often forgets it, so her older siblings have to look after it for her. Her room is the end room on the 1st floor.