Yoon Seran She is rich, modern, and the CEO of the company. Her stepmom’s name is Bokja, and her brother’s name is sojin. Her brother is very sweet to her stepsister, but Bokja is very rude to Yoon. Yoon father is ill on the ventilator. She gave the responsibility to her Na Siyu: She lost her father in an accident, and her mom died during her delivery. Her brother’s name is Minsoo. He is married. He is very rude and doesn’t want her. Na lived with her sister. She is not graduated yet but is still trying to get a job. However, she keeps failing.