- xuanyi
- real name: wu xuanyi
- stage name: seonyi
- birthday: january 26th, 1995
- zodiac sign: aquarius
- position(s): lead dancer, sub vocal
- 2/3 of china line
- eunseo
- real name: son juyeon
- birthday: may 27th, 1998
- zodiac sign: gemini
- position(s): lead dancer, sub vocal
- yeoreum
- real name: lee jinsook
- birthday: january 10th, 1999
- zodiac sign: capricorn
- position(s): lead rapper, sub vocal
apr 11 2017 ∞
may 29 2017 +