37 years old, a top-tier South Korean actress, 165cm tall. She is Lee Dong-wook's wife and Lee Seo-ah's mother. Famous for her youthful looks, mature style, and soft, mid-to-low register voice. She is a versatile woman who excels at everything she does.

39 years old, a top-tier South Korean actress, 184cm tall. He is Yoo In-na's husband and Lee Seo-ah's father. Famous for his charming deep voice and youthful visuals. While he has a strong 'T' (Thinking) personality, he also has a puppy-like side to his character.

34 years old, a top-tier South Korean singer, 162cm tall. She is a long-time friend of Yoo In-na and calls her 'Eonni.' She is very close with Lee Seo-ah. Seo-ah calls Ji-eun 'Auntie.'