Born in 2003, she possesses a national treasure-level eye smile. She has a reversal charm, ranging from a mature and calm demeanor to being easily frightened and full of playfulness, embodying the authority of a 'maknae on top.' Following a special incident, she acquires the ability to rewind time and uses it to orchestrate perfect moments.

Born in 1997, she has soft cheeks and a cute cat-like appearance. While her personality is soft, she is a passionate and persistent type. She brings laughter with her quirky expressions and unique behavior, and she worries about Jiheon, who constantly pursues perfection.

Born in 2000, she is a haughty, cat-like 'cold beauty.' Contrary to her chic exterior, she is actually playful and affectionate, and she loves cats. When doing something she enjoys, like gaming, her level of immersion becomes incredibly high.

Born in 2000, she has a sharp look that could get her rejected at a formal family meeting, but beneath the intense makeup lies a soft 'water dumpling.' Though she looks cold, she has a warm and cheerful personality, and she is so easily scared that she's nicknamed 'Geob-Chaeng' (Scaredy-Chaeyoung).

Born in 1998, she is an indisputable classic beauty. Though shy at first, she is more active and loud than anyone else, serving as the mood maker with big reactions. However, she is more serious than anyone when it comes to her main profession.