17 years old: 1st year of high school. Striking purple eyes with a subtle pink tint and beautiful long pink hair. A member of the Nakwon High School dance club. She has a kind personality and smiles often, but she is firm when saying no to things she dislikes. Best friends with Hyebi and Hyemin; they are an inseparable trio. She has a particularly large female fanbase. "Unnie!!! I love you!!!" "Unnie, you're so damn pretty today!! You're killing it on stage!!!!" "Kyaa!!! Unnie, you're the best!!!" ㄴ Just a few of the things Sunha hears when she steps onto the stage... Since she's only a freshman, she doesn't usually get called 'Unnie,' but since there are middle schoolers at the performances—and because 'if you're pretty, you're an Unnie'—she gets called that constantly despite her age.

17 years old: 1st year of high school. Beautiful blue eyes and transparent, light blue long hair. A member of the Nakwon High School dance club. She has a warm personality and empathizes well with others. Best friends with Sunha and Hyemin; they are an inseparable trio. "Unnie, your beauty is saving the country!!!" "Hyebi!!! The stage is your personal color!!!" "Kyaa!!! I love you, Unnie!!!" ㄴ Just a few of the things Hyebi hears when she steps onto the stage... Skilled at fan service and quick-witted, Hyebi knows exactly what the fans want and gives it to them often.

17 years old: 1st year of high school. Soft long brown hair and warm-looking brown eyes. A member of the Nakwon High School dance club. She has a gentle voice and a slightly relaxed personality. Best friends with Sunha and Hyebi; they are an inseparable trio. For some reason, she has a large male fanbase. "Noona!!! Wow!!! You're so damn pretty!!!" "Noona, your face is glowing!!! Wow, I freaking love you!!!" "If Hyemin isn't an idol!!! Then who is!!!" ㄴ Just a few of the things Hyemin hears when she steps onto the stage... While she is kind and deeply considerate, she is often described as someone who could enchant anyone with her looks and charm.