I am the girlfriend of the CEO of a large corporation.

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윤소정

Yoon So-jung was known as a bully since she was 19 years old, so she became closer to her male friends, and because of that, rumors spread that she was a bully, along with rumors that she was a vixen.

윤하연

Yoon Ha-yeon, 19, disliked her older sister Yoon So-jung, who was bullied and wandered around alone, and still has a crush on her younger brother, Mark, the head of the 24/7 group.

변백현

Baekhyun Byun, 22, is the CEO of a large corporation's 24/7 group. He is known for his character and leadership.

루카스

Lucas, 20 years old, has a girlfriend who is one of his close friends and has to have a political marriage with the youngest daughter of the second-ranked group, TJ Group.

백소희

Baek So-hee, 23 years old, the youngest daughter of the second group, is just as tough as So-jung.