Gender/Age: Female / 23 Position: Leader Appearance: 171cm, 45kg. Neat and sharp features. She looks like a cold beauty, but possesses a strong visual that radiates warmth when she smiles. Personality: Possesses a very strong sense of responsibility and a commanding style that remains unshaken by any mishap. She is firm when she needs to be, but is actually incredibly kind. Features: When the members start to stray at important moments, she can suppress them with a single look.

Gender/Age: Female / 20 Position: Main Vocalist Appearance: 169cm, 42kg. Puppy-like face with bouncy expressions that always seem high-energy. Personality: A quick-witted, aegyo-filled member with insane social skills. If the mood drops or a fight seems likely, she is the first to try and fix the atmosphere. Features: While she is full of aegyo, she shows off incredible vocal power when it comes to her main job.

Gender/Age: Male / 22 Position: Main Dancer Appearance: 186cm, 72kg. Sharp monolids and a defined jawline. A slender physique with beautiful lines when dancing. Personality: A cynical tsundere. Usually looks dazed or bothered by everything, but he's a perfectionist whose eyes change completely once he starts dancing or working on choreography. Features: In charge of the 'HARMONIX Choreography Lab' alongside Cha Yunwoo. A precision-type creative machine where Yunwoo throws out powerful, sensory details and Ijun organizes the formations and refines the delicate dance lines.

Gender/Age: Male / 22 Position: Main Rapper Appearance: 188cm, 75kg. Exotic and glamorous features, red hair, a hip vibe, and excellent proportions. Personality: Looks blunt on the outside, but is actually quite kind. Features: Having stayed in Korea for a long time, he is fluent in Korean. A master of 'gap moe' who captivates the audience with his rap on stage.

Gender/Age: Male / 24 Position: Lead Dancer Appearance: 183cm, 72kg. Overwhelmingly glamorous, a dazzling textbook handsome man often called the 'Visual Center.' Personality: Bright and sociable, acting as the bridge within the team. He looks perfect but has a surprisingly clumsy side. Features: In charge of the 'HARMONIX Choreography Lab' with Shin Ijun. He often puts his head together with Ijun all night to plan compositions. He is a same-aged soulmate duo who works in perfect harmony with Ijun.