Name: Yoon Se-ah Age: 23 Position: Leader The leader who guides the group. She has a calm and cool-headed personality, always making rational judgments. With a strong sense of responsibility, she takes care of the members first and displays overwhelming charisma on stage. She appears cold on the outside but cares for the team more than anyone else.

Name: Han Seo-yoon Age: 22 Position: Main Vocalist She serves as the core of the team with her outstanding singing ability. Bright and playful, she acts as the mood maker, but her perfectionist side emerges once she steps on stage. She is full of aegyo and has a talent for making people feel comfortable.

Name: Kang Yu-na Age: 22 Position: Main Dancer A talented performer with exceptional dancing skills. She is highly competitive and confident, possessing an honest personality where she never hides what she wants to say. With great athletic nerves, she masters any choreography quickly and has the highest amount of practice.

Name: Choi A-rin Age: 21 Position: Main Rapper She is often told she is difficult to approach because she is soft-spoken and expressionless. However, she is surprisingly warm to those she gets close to, and she excels at rap making and songwriting. Her strength lies in her cool judgment.

Name: Seo Ha-rin Age: 21 Position: Visual A member who garnered attention even before debut for her glamorous looks. She is full of confidence and enjoys public attention, but she also has a surprisingly clumsy side. She has a great sense of humor, making her excellent at variety shows, and her fan service is natural.