BIRTHNAME Yoon Jiyeon 윤지연.
STAGE NAME Jiyeon, 지연.
BIRTHDATE September 22nd, 1996.

POSITION Leader, Rap Unit Captain, Lyricist, Main Rapper, Vocalist, Visual.
MENTOR S.Coups.

LOVER Seventeen's 에스쿱스.
 

BIRTHNAME Lee Jiheon, 이지헌.
STAGE NAME Genie, 지니.
BIRTHDATE July 30th, 1998.

POSITION Co-Lyricist, Main Rapper, Lead Dancer, Vocalist.
MENTOR Vernon.

LOVER 배준수, OC.
 

BIRTHNAME Do Minseo, 도민서.
STAGE NAME Minseo, 민서.
BIRTHDATE December 2nd, 2001.

POSITION Lead Rapper, Vocalist.
MENTOR Wonwoo.

LOVER N/A.
 

BIRTHNAME Yeom Narae, 염나래.
STAGE NAME Narae, 나래.
BIRTHDATE December 23rd, 2002.

POSITION Lead Rapper, Vocalist, Maknae.
MENTOR Mingyu.

LOVER TXT's 휴닝카이.
 

BIRTHNAME Choi Seunghwa, 최승화.
STAGE NAME Sehwa, 세화.
BIRTHDATE May 2nd, 1997.

POSITION Vocal Captain, Producer, Main Vocalist.
MENTOR Woozi.

LOVER Seventeen's 원우.
 

BIRTHNAME Song Ahreum, 송아름.
STAGE NAME Ahreum, 아름.
BIRTHDATE January 28th, 1998.

POSITION Co-Producer, Main Vocalist.
MENTOR DK + Seungkwan.

LOVER Sixteen's 큐엔.
 

BIRTHNAME Son Juwon, 손주원.
STAGE NAME Ivy, 아이비.
BIRTHDATE June 17th, 2000.

POSITION Lead Vocalist, Lead Rapper, Center.
MENTOR Jeonghan.

LOVER The Boyz' 창민.
 

BIRTHNAME Ha Yera, 하예라.
STAGE NAME Yera, 예라.
BIRTHDATE February 16th, 2001.

POSITION Lead Vocalist, Rapper, Visual, Face of the Group.
MENTOR Joshua.

LOVER Seventeen's 디노.
 

BIRTHNAME Maeve Choeun Hyun, 현초은.
STAGE NAME Maeve, 메이브.
BIRTHDATE May 7th, 1997.

POSITION Dance Captain, Choreographer, Main Dancer, Lead Vocalist, Rapper.
MENTOR Hoshi.

LOVER Seventeen's 민규.
 

BIRTHNAME Won Yuheon, 원유헌.
STAGE NAME Quyen, 큐엔.
BIRTHDATE October 15th, 1999.

POSITION Co-Choreographer, Main Dancer, Vocalist, Rapper.
MENTOR Dino.

LOVER Sixteen's 아름.
 

BIRTHNAME Nikaido Tsuki, 二階堂 月.
STAGE NAME Tsuki, 츠키.
BIRTHDATE February 27th, 1999.

POSITION Lead Dancer, Vocalist.
MENTOR Jun.

LOVER TBD.
 

BIRTHNAME Vivian Anzi Hu, 胡安子.
STAGE NAME Vivian, 비비앤.
BIRTHDATE June 7th, 2001.

POSITION Lead Dancer, Vocalist, Rapper.
MENTOR The8.

LOVER 애덴 우현 정, OC.