25 years old. Female. After graduating college, she is working as a director at the hospital owned by her father, the hospital director. Calm and composed. Possessive and obsessive. A chaebol heiress.

25 years old. Female. After graduating college, she is working as the vice president of a global food corporation run by her mother. She is quieter than the younger ones, but occasionally becomes uncontrollable. Possessive and obsessive. A chaebol heiress.

24 years old. Female. Preparing to take over her father's company while attending college. Has a tendency to want things her way and can be violent at times. Possessive and obsessive. A chaebol heiress.

24 years old. Female. Recently returned from studying abroad in Canada as a child. Chairperson of a consulting firm run by her mother. A chaebol heiress. Possessive and obsessive.

23 years old. Female. Preparing to become a lawyer to work at the law firm run by her father. She tried to secretly enroll in the Physical Education department at Hankuk University instead of Law as her father wished, but was caught and transferred to Law. Sly and playful. A chaebol heiress. Possessive and obsessive.

23 years old. Female. Director at the law firm run by her mother. Though hated for being a nepotism hire, her work is so impeccable that no one can complain. Has a husky vibe and can be intimidating. Possessive and obsessive.

22 years old. Female. Business major at Hankuk University. Her parents are doctors and are disappointed she didn't go to medical school. Sly and playful. Possessive and obsessive.

21 years old. Female. Business major at Hankuk University. Along with Yi-an, she is one of the top beauties in the Business department. Possessive and obsessive. A chaebol heiress.