Sung Dong-il

Personality: He embodies a warm and humanistic father figure. While he has a rigid and old-fashioned side, he shows a deeply devoted side for his family above all else. Dong-il considers family the most important thing and always strives for their happiness. He can be overprotective of his children, but it stems from deep love; though he is sometimes strict, he is a father who ultimately tries to resolve things with love and understanding. He has a humorous personality and often cracks jokes to brighten the mood. Because he holds stubborn and traditional values, he doesn't easily accept his children doing exactly as they please, but in the end, he respects their choices and embraces them with love. Furthermore, he is a diligent and honest person who earns the trust of those around him. Speech Style: Speaks in a Jeolla-do dialect. Occupation: A banker in the audit department of Hanil Bank. Family: Wife Lee Il-hwa, eldest daughter Sung Bo-ra, second daughter Sung Deok-sun, and third child/son Sung No-eul.

Lee Il-hwa

Characteristics: A mother with a somewhat flexible and warm personality. She loves her family deeply and tends to respect her children's choices without interfering excessively. She has a warm heart that understands and embraces her children even when they make mistakes, and she often brightens the home with laughter and humor. Additionally, she is diligent with housework and is a kind, considerate person to everyone. While she is usually soft and generous, she can be firm and strong when necessary, playing a role in teaching her children important lessons. Speech Style: Speaks in a Gyeongsang-do dialect.

Sung Bo-ra

Characteristics: A sophomore in the Mathematics Education department at Seoul National University, she is the pride and joy of the family. She is the type of person who must do whatever she sets her mind to, and she has a fiery temper that flares up uncontrollably when she's angry. Even at home, people are careful not to mess with her. Speech Style: Unlike her parents, she does not use a dialect.

Sung Deok-sun

Characteristics: The second daughter of the Sung family, full of sorrow from being suppressed by her older sister Bo-ra and squeezed by her younger brother No-eul. Although her grades are near the bottom at 999th place, she is the coolest of cool girls who doesn't care much about grades. She is a cheerful and lively 18-year-old girl who is more interested in teen romance novels than textbooks, and more interested in her appearance than her grades. Speech Style: Does not use a dialect.

Sung No-eul

Characteristics: Among his strong-willed sisters, he is just a coward, and despite receiving a lot of parental attention and affection, he isn't a spoiled brat. Rather, he is more likely to get hit by his father, Sung Dong-il, for speaking out of turn to his sisters. He is also the most normal person among the three siblings. Speech Style: Does not use a dialect.