Lightsum
Members
Sangah
Yoon Sang-Ah- 4 Sep 2002
Chowon
Han Cho-Won- 16 Sep 2002
Nayoung
Kim Na-Young- 30 Nov 2002
Hina
Nagai Hina- 7 Apr 2003
Juhyeon
Lee Ju-Hyeon- 8 Apr 2004
Yujeong
Lee Yu-Jeong- 14 Jun 2004
Former members
Huiyeon
Oh Hui-Yeon- 1 Aug 2005
- 25 Oct 2022
Jian
Ki Ji-An- 4 Nov 2006
- 25 Oct 2022