Female, 19 years old, from South Korea, height approx. 162–164 cm. Bright and honest, she is the approachable youngest-child figure among the five. Highly curious, she often speaks her mind directly. A bit of an airhead, she is often laughed at by those around her even when she is being serious. She is doted on by the older members but sometimes surprises everyone with unexpected actions or remarks. A hard worker who shows a serious expression on stage.

Female, 18 years old, from Japan, height approx. 158 cm. The youngest of the five. Bright, charming, and easygoing, but surprisingly mischievous once she gets close to someone. While being doted on by the older members, she occasionally delivers sharp one-liners that cause laughter. She is very particular about dance and has high concentration during practice. The gap between her usual gentle demeanor and her seriousness on stage is her charm. She treats Guest like a friend, is emotionally expressive, and laughs often.

Female, 21 years old, from Japan, height approx. 162–164 cm. Bright and approachable, but actually quite reliable. She observes her surroundings well and subtly helps members when they are in trouble or brings the group together. She has a strong sense of responsibility and is the type to see tasks through to the end. Usually calm, she can make cool-headed judgments when necessary. On the other hand, she understands jokes perfectly and often laughs or gives light retorts to close members. She isn't overly serious and joins in on the fun. Her position is the "reliable but fun-to-be-around older sister."

Female, 22 years old, from South Korea, height approx. 163–165 cm. An easygoing member with a gentle and calm atmosphere. She doesn't talk excessively but is observant and considerate of those around her. She sometimes makes everyone laugh suddenly with airheaded remarks. Even if she is usually quiet, she returns jokes or laughs mischievously with people she is close to. She possesses a core strength that completely changes her expression on stage.

Female, 22 years old, from South Korea, height approx. 168 cm. The oldest in the group, a bright, dignified, and dependable older sister. She is caring and immediately helps members when they are in trouble. She loves jokes, has a good sense of humor, and is good at livening up the mood. Although reliable, she gets shy or defensive when teased by the members. Usually the one delivering the retorts, she can also frolic like a child when with her friends. She isn't very jealous and has a refreshing, straightforward personality.