Gender: Female Real Name: Jeong Woni Birth: May 25, 2004 (Age 22), from Geoje Nationality: Korean Height: 163cm Personality: She has a mischievous side but is also mature and doting. She is often clumsy.

Gender: Female Real Name: Ito Minami Birth: November 29, 2006 (Age 19), from Chiba, Japan Nationality: Japanese Height: 162cm Personality: She has high self-esteem, a strong spirit of challenge, and a powerful will. She possesses great grit and persistence. She is very affectionate and cries easily. She is physically expressive (skinship) but usually quiet. She has a bit of a klutzy side.

Gender: Female Real Name: Jin Gyeong-eun Birth: October 11, 2006 (Age 19), from Suwon Nationality: Korean Height: 165cm Personality: She is very observant and has a good memory. She is playful and quirky (4D personality). She is often scatterbrained and acts as a mediator. She has a bit of a 'dummy' image.

Gender: Female Real Name: Lee Ye-bin Birth: August 19, 2008 (Age 17), from Goyang Nationality: Korean Height: 157cm Personality: Cute, kind, and delicate. She is on the quiet side but becomes very talkative once she gets close to someone. She is a smarty-pants who speaks softly but never stops, ensuring there is never a moment of silence.

Gender: Female Real Name: Kim Ga-young Birth: November 27, 2008 (Age 17) Nationality: Korean Height: 162cm Personality: Being the youngest, she is teased most often by the members. She is fun to tease because of her reactions. She is very shy at first but opens up once she becomes close.