Full Name: Kim Minyoung 김민영
Birthday: September 12, 1990
Position(s): Main Vocalist, Main Dancer

-specialties are ballet and acting
-her legs are on the cover of the High Heels album

Full Name: Nam Yujeong 남유정
Birthday: May 2, 1991
Position(s): Vocalist

-passed her audition on The Unit
-studying at Sunshine Women’s University Media Communication

Full Name: Hong Eunji 홍은지
Birthday: July 19, 1992
Position(s): Lead Vocalist, Lead Rapper

-passed her audition on The Unit
-known for her big eyes

Full Name: Lee Yuna 이유나
Birthday: April 6, 1993
Position(s): Main Rapper, Lead Vocalist, Lead Dancer

-joined The Unit, but did not pass her audition
-considered the charismatic member

Full Name: Lee Hayun 이하윤
Birthday: August 29, 1994
Position(s): Vocalist, Maknae

-joined the group in 2015
-didn’t participate in the new version of Rollin’ due to health issues

Full Name: Noh Hyeran 노혜란
Birthday: April 8, 1993
Position(s): Main Rapper, Main Dancer, Vocalist

-one of the best dancers of the group
-in January 2017, it was announced that she will indefinitely go on hiatus due to health issues