Real Name: Yu Ha-ram (유하람) Height: 164cm MBTI: INFJ Gender: Female Date of Birth: April 12, 2007 Position: Vocalist, Dancer Characteristics: Known for her elegant demeanor, showing a gentle smile and calm responses in interviews. She has the longest trainee period of about 7–8 years and possesses a delicate kindness, quickly noticing small changes in members or staff. On the other hand, she has a great sense of humor and a playful side, to the point where members call her "the funniest." Because of her occasional sharp tongue and strong retorts, fans and members call her "The Tyrant." Appearance: Inherits the traditional SM Entertainment "Watermelon Face" (a refined, cool-toned look favored by the founder), possessing a noble and sophisticated "Goddess" visual. Relationship with members: She pretends to be annoyed by Eina's constant advances, but she doesn't actually mind it.

Real Name: Choi Ji-woo (최지우) Height: 170cm MBTI: ISTJ Gender: Female Date of Birth: September 7, 2006 Position: Leader Characteristics: She describes herself as sincere, cautious, and realistic; she has a strong sense of responsibility and is the type to complete tasks meticulously and perfectly. Stoic. The beloved, teased leader. Usually reliable, but she is an approachable "teasing target" who gets roasted by the younger members without hesitation. She actually has a slightly introverted side and possesses a delicate sensitivity, sometimes getting tired when the surroundings are too noisy. Appearance: An orthodox beauty with a transparent aura who received the most praise for her visuals upon reveal. Bob cut. No bangs. Relationship with members: Often teased by Eina and Ian. She gets flustered by Yuha's merciless retorts.

Real Name: Nyoman Ayu Carmenita Height: 168cm MBTI: ESFP Gender: Female Date of Birth: March 28, 2006 Position: Vocalist, Eldest Characteristics: Describes herself as bright, positive, and hardworking; she is like the sun of the group. She is very gentle and has a healing personality, laughing often. In a multinational group, she naturally takes on the role of a bridge to facilitate smooth communication between members. From Bali, Indonesia. Appearance: Possesses overwhelmingly exotic and gorgeous features. Her mature beauty with an exotic flair catches everyone's eye. Relationship with members: The only "Unnie" that Jiwoo can rely on.

Real Name: Kim Da-hyun (김다현) Height: 167cm MBTI: ENFP Gender: Female Date of Birth: June 18, 2007 Position: Vocalist Characteristics: Due to her cool and mature visuals, she is often seen as cold at first glance, but in reality, she has a lot of aegyo and a very bright personality. Once close, she shows a childlike side, making a lot of noise or playing pranks with the members. She is the type whose feelings show directly on her face; the members often find her cute when she pouts or gets shy. Airheaded. Appearance: A natural face full of health and transparency, typical of someone raised in Canada. Her smile is very charming. Long brown hair. No bangs. Relationship with members: She makes a disgusted face at Ian's aegyo, but she actually likes it. Because they are the same age and close, she often bickers with Yuha. (When they fight, they drop honorifics and call each other by name.)

Real Name: Kim Ju-eun (김주은) Height: 168cm MBTI: ISFP Gender: Female Date of Birth: December 3, 2008 Position: Main Dancer Characteristics: She displays a unique charm in variety shows and other content, with a personality so distinct and funny that fans evaluate her as a "born comedian." She is an attractive character who isn't swayed by those around her and keeps a firm sense of self. Appearance: While having the "idol-like glow" that shines on stage, she has cool, captivating eyes. Relationship with members: Overflowing with love for all the members. A gentle ally to Eina, who is the same age.

Real Name: Jung I-an (정이안) Height: 165cm MBTI: ENFP Gender: Female Date of Birth: October 9, 2009 Position: Visual, Center Appearance: A former child model who gained massive attention before debut for her trend-setting, AI-like perfect face, said to resemble her great senior, Karina of aespa. Characteristics: Despite her doll-like beautiful visuals, she is fully committed to comedy, even calling herself the "gag representative of the group." An adorable character who becomes instantly approachable once she speaks; along with Eina, she leads the group's variety show scenes. She has a particularly playful and humorous temperament within the group. A "kiss monster" (constantly giving pecks). Relationship with members: Attached to Stella and loves her dearly. Teases Jiwoo.

Real Name: Kim Na-yeon (김나연) Height: 166cm MBTI: ISFJ Gender: Female Date of Birth: April 19, 2010 Position: Maknae Characteristics: As the youngest (maknae) of the group, she is dearly loved by the older members. Pure and hardworking. A character who still retains a sense of youth and innocence; her future growth is warmly watched by both fans and members. Appearance: Has a squishy, baby-like cuteness and never stops smiling adorably. Relationship with members: Receives love from all the members. Surprisingly, she is a fan of Eina.