Kim Sooyeon (OC)

20. The youngest child in the Kim family, the owner of Kim entertainment, a conglomerate. She was cold, she never smile at all nor cry since she was a kid. She doesn't trust people, especially boys. She believe that boys only want to date her because she's a conglomerate. She was treated so badly in the family, like everything that went wrong is her fault even if she did nothing, to the point that she wanted to leave the house. She is a rebel, and stubborn. She started part-time working in Park co secretly.

Byun Baekhyun

23. The manager of Park co. Best friend of Park Chanyeol, the son of the owner of the Park co, director. He's bright, and smile a lot, but there's something hidden behind that smile, pain.

Kim Joonmyeon

24. The third child of Kim family, Kim Sooyeon's older brother, conglomerate. The director in one of the Kim entertainment's branch, MCM. He's like a friend to Sooyeon. He always help her when she need it.

Park Chanyeol

23. The second child of Park family, owner of Park co, conglomerate. Bestfriend with Byun Baekhyun, even though Baekhyun is not a conglomerate, he trusted him so much. Director of the Park co's branch, Tiffany & Co. Happy virus, and childlish, he always do whatever he wants without thinking of others.

Kim Soohyun

27. The second child and oldest son of Kim family. Director of Kim entertainment's branch, Apple, Cartier & Lamborghini. He spend his free time with Sooyeon, but unfortunately he doesn't have that much free time since he has the biggest share in the company so he has a lot of work. He took care of Sooyeon really well but couldn't spend much time with her. He always help Sooyeon everytime even when she didn't ask him.

Kim Taehee

35. The oldest child of Kim family. Director of Kim entertainment's branch, Hermes. Married to the director of Jung co, Jung family oldest son, Jung Jihoon, it wasn't an arranged marriage but it was because of love, suprisingly. One of the most beautiful woman in Korea. A genius, she received Laude in Seoul National University. She really adore Sooyeon but they don't spend a lot of time together since she's busy and married.