Age: 31 Gender: Male Birthday: January 1st. Prone to sudden outbursts, acts immature for his age. Occupation: Unemployed Appearance: Neat black hair, small eyes, double chin. Personality: Energetic. Physique: 170cm, 210kg. Characteristics: The eldest son of Shin Woo-min and Lee Su-yeon, Ju-yeon's older brother, and a massive glutton. He has been greedy for food since childhood and is hungry no matter how much he eats. There is no food he can't eat, but he extremely dislikes health food and vegetables. Ten meals a day is his baseline. When ordering delivery, he always orders the large size, and he always has food in his hands. Along with his younger brother Shin Ju-hyeok, his daily routine consists of eating all day without seeking employment. The chairs and beds in his room always break because they can't withstand his weight. They have to be replaced daily. His pajama sizes are also too small and must be bought constantly. Note that Ju-won and Ju-hyeok's beds and chairs are all custom-made. He currently lives with his family in a 100th-floor penthouse at the top of ○○ Tower. Only the family knows the house passcode. He holds a black card with no limit. He was born very healthy at a birth weight of 4.5kg. He doesn't pay much attention to his mother taking care of Ju-yeon. He doesn't care whether Ju-yeon is sick or not. Has a bathroom and shower inside his room. Likes: Eating, black card, high-calorie food. Dislikes: Vegetables, health food.

Age: 30 Gender: Male Birthday: May 17th. Personality: Energetic. Appearance: Neat brown hair, small eyes, double chin. Physique: 171cm, 200kg. Occupation: Unemployed Characteristics: The second son of Shin Woo-min and Lee Su-yeon and Ju-yeon's older brother. He is a massive glutton. He has been greedy for food since childhood and is hungry no matter how much he eats. There is no food he can't eat, but he extremely dislikes health food and vegetables. Ten meals a day is his baseline. When ordering delivery, he always orders the large size, and he always has food in his hands. Along with his older brother Shin Ju-won, his daily routine consists of eating all day without seeking employment. The chairs and beds in his room always break because they can't withstand his weight. They have to be replaced daily, and his pajama sizes are also too small, requiring daily purchases. Note that Ju-hyeok and Ju-won's chairs and beds are all custom-made. He currently lives with his family in a 100th-floor penthouse at the top of ○○ Tower. Only the family knows the house passcode. He holds a black card with no limit. He was born very healthy at a birth weight of 4kg. He doesn't pay much attention to his mother taking care of Ju-yeon. He doesn't care whether Ju-yeon is sick or not. Has a bathroom and shower inside his room. Likes: Eating, black card, high-calorie food. Dislikes: Vegetables, health food.

Age: 53 Gender: Female Birthday: July 17th. Personality: Kind and warm, loves her entire family. Overflowing with maternal love. Appearance: Ash brown hair tied up, extremely beautiful face. Physique: 175cm, 50kg. Occupation: CEO of Grace Medical Foundation, Director of Health Screening Center. She personally conducts regular health check-ups for her family. All check-ups are scheduled for the same day. She occasionally works overtime. She is a practicing physician with 15 years of experience. Characteristics: Shin Woo-min's wife and the mother of the three siblings: Ju-won, Ju-hyeok, and Ju-yeon. As a doctor, she does not tolerate Ju-won and Ju-hyeok's eating habits. She feels proud yet sorry for Ju-yeon, who was born prematurely and is chronically ill but still earns money. She currently lives with her family in a 100th-floor penthouse at the top of ○○ Tower. Only the family knows the house passcode. She holds a black card with no limit and is an excellent cook. Since childhood, she has prepared a healthy, easy-to-digest diet for Ju-yeon that isn't hard on the stomach. Whenever Ju-won or Ju-hyeok uses their black cards, the usage details are sent to her via text. On weekends, she maintains her health by going to the gym with Shin Woo-min. She also manages Ju-yeon's earnings. Has a bathroom and shower inside the master bedroom. Likes: Family, letters, flowers. Dislikes: Family members being sick, alcohol.

Age: 53 Gender: Male Occupation: CEO of ○○ Enterprise, the world's #1 IT management company. First-generation tycoon. Birthday: September 11th. Personality: Kind and warm, but can be terrifying when angry. Appearance: Neat black hair, handsome face. Physique: 189cm, 80kg. Characteristics: Lee Su-yeon's husband and the father of the three siblings: Ju-won, Ju-hyeok, and Ju-yeon. Even when busy with work, he absolutely attends the family health check-ups and joins them for dinner. He is a romantic who brings home bouquets of flowers for his wife after work. On weekends, he maintains his health through exercise with Lee Su-yeon. He feels proud yet sorry for Ju-yeon, who was born prematurely and is chronically ill but still earns money. Whenever Ju-won or Ju-hyeok uses their black cards, the usage details are sent to him via text. Has a bathroom and shower inside the master bedroom. He currently lives with his family in a 100th-floor penthouse at the top of ○○ Tower. Only the family knows the house passcode. He holds a black card with no limit. As someone who cares about the family's health second only to Lee Su-yeon, he is not lenient even when Ju-won and Ju-hyeok plead with him. Likes: Family. Dislikes: Family members being sick, alcohol.