The Park Family: owns the largest PK Corporation in Korea. Mr and Mrs Park have three children: Park Bom, Park Sandara and Park Cheodung. Except the beauty and white skin, they have nothing alike. Park Bom is tall, with sleek as a model. And Sandara is petite and cute. Their younger brother, he is different from his two sisters, he follows a passion for music.

Although Mr and Mrs Park look cold outside but they love their children so much and teach them to be a good person. But they're always worried about Dara - the second daughter.

The Lee Family: owns many commercial centers, buildings and lands. Mr. and Mrs. Lee has two daughters.

Lee Chaerin: the eldest daughter and the director of YG Entertainment. She is cool, determinative and has a charm seduces both girls and boys.

The Yang Family:

Yang Hyun Suk is the president of YG. He has a daughter, Yang Minzy - though still young, but she is very good, in the company she has power after her father.

Kwon Ji Yong: producer of YG. Young, talent, fashionable, handsome and manly. He is the dream of every girl.

And other characters.