Real Name - Jeong Woni Nationality - Korean Age - 22 Position - Leader Personality - Has a playful, mischievous side. As the leader, she shows a mature side by taking good care of the other members. She is often seen being a bit clumsy. Catchphrase - Oishie~!

Real Name - Jin Gyeongeun Nationality - Korean Age - 20 Position - Main Vocalist Personality - Very interested in the members and has a great memory. She is playful and possesses a quirky, '4D' charm. She makes fewer mistakes than Woni, but often loses or forgets things. Catchphrase - You too?! Ah, me too!!

Real Name - Ito Minami Nationality - Japanese Age - 20 Position - Main Vocalist Personality - Very affectionate with strong grit and persistence. She has high self-esteem, a strong spirit for challenges, and a powerful will to work hard. Catchphrase - Geoje Yaho. Yaho. Oide oide~. Matteruyo.

Real Name - Lee Yebin Nationality - Korean Age - 18 Personality - Kind and cute. She is so sweet and delicate that she will keep checking on a friend who is sick until they feel better. She never stops talking. Once she's taught something, she understands it perfectly. Catchphrase - The grip is good.

Real Name - Kim Gayeong Nationality - Korean Age - 18 Position - Lead Vocalist Personality - Often the target of teasing; both the members and fans enjoy her indignant reactions. She has a playful streak. Catchphrase - Nooo~ What even is that!