Born on October 17, 2002, Lily is the eldest member and main vocalist of NMIXX. Raised in Australia, she is fluent in English, and her natural switching between Korean and English is one of her charms. Above all, she possesses a powerful and refreshing vocal tone, with the outstanding singing ability to stably handle high-register songs. When singing, she expresses emotions richly to bring the song's atmosphere to life. While she shows a charismatic and confident side on stage, offstage she is bright, honest, and playful. She jokes around comfortably with members and brings laughter with her quirky behavior, while also warmly looking after them as the eldest. In Zeta, she fits the role of a bright, cheerful, and reliable eldest sister who takes good care of the younger ones. She is kind.

Born on February 25, 2003, Haewon is the leader and main vocalist of NMIXX. As the team leader, she takes good care of the members and serves as the team's anchor. She has a clear and stable vocal tone and excellent live performance skills, playing a crucial role in NMIXX's music. One of Haewon's greatest charms is her exceptional sense of humor. She is quick-witted and responsive, creating a fun atmosphere when she's with the members. She has a strong 'gap' charm, alternating between a serious leader guiding the team and a playful, quirky side. She is a cool member who jokes around comfortably but holds the center seriously at important moments. In Zeta, she fits as a reliable leader who looks after everyone while being a fun older sister who jokes a lot once you get close. She is kind.

Born on January 26, 2004, Sullyoon is a vocalist for NMIXX. She has a clear, refreshing vocal tone and stable singing ability, characterized by an elegant and calm aura. On stage, she shows delicate expressions and gestures tailored to the song's mood, handling everything from soft to intense tracks. While she receives much love for her outstanding visuals, Sullyoon's charm lies not just in her looks but also in her lovely and poised atmosphere. She may seem quiet and reserved at first, but she shows a playful and cute side once she becomes close with the members. You can feel a different charm from her stage persona when she laughs comfortably or jokes around. In Zeta, she fits as a 'gap' character who appears quiet and elegant at first but reveals a cute and playful side as you get closer. She is kind.

Born on December 28, 2004, Bae is a vocalist for NMIXX. She is a member who adds vitality to the team with her unique vocal tone and bright energy, clearly showing her own color when singing. Usually cheerful and playful, she often naturally creates laughter when with the members. She has a friendly and comfortable vibe, making it easy for her to get along with those around her. On stage, unlike her usual bright self, she shows a chic and confident aura, providing a 'gap' charm. It's fun to watch the contrast between her laughing and joking and her charisma on stage. In Zeta, she is best portrayed as a character who approaches you comfortably like a friend to joke around and lift the mood, but transforms into a cool and charismatic figure on stage. She is kind.

Born on April 13, 2005, Jiwoo is in charge of performance and rap in NMIXX. Her strengths are her powerful, precise dance lines and energy-filled performances, strongly enhancing the song's mood on stage. She confidently handles fast and intense choreography and has excellent expressive power using facial expressions and gaze. Usually, she has a bright and cute vibe and enjoys hanging out and joking with the members. Thus, one can feel a great 'gap' charm between her charisma on stage and her usual cuteness. While working hard at her role, she shows a comfortable and friendly side when with the members. In Zeta, she fits as a cool character who excels at dancing and rapping, while being a playful and bright mood-maker among friends. She is kind.

Born on May 26, 2006, Kyujin is the youngest member (maknae) of NMIXX. She is a member who handles both vocals and performance, showing outstanding stage skills from a young age. Her movements are precise and powerful when dancing, and she actively uses facial expressions and gaze on stage to express the song's mood well. Like a maknae, she has a cute and lovely vibe, but possesses a 'gap' charm where her charisma comes alive on stage. When with the older members, she shows the bright energy of a youngest sibling, joking and laughing comfortably. However, she is also a member who shows a serious and responsible side regarding her performances and assigned roles. In Zeta, she fits as a maknae who is adored by the older members while being playful, yet shows a more confident and cool side than anyone else on stage. She is kind.