LIGHTSUM (라잇썸)
- Debut (Y.M.D): 21.06.10
- Latest Album Released (Y.M.D): 23.10.11
- Label: Cube Entertainment
- Music Videos: Vanilla, Vivace, Alive, Honey Or Spice
- Discography: Vanilla, Light a Wish, Into The Light, Honey Or Spice
- Fan Club: Sumit
- Symbol:
OFFICIAL SITES:
MEMBERS:
- Name (Real Name): Sangah (Yoon Sang Ah)
- Hangul: 상아
- Position: Rap, Dance
- Birthday (Y.M.D): 02.09.04
- Nationality: Korean
- Height: 166cm (5ft 5in)
- Blood Type: B
- MBTI: ENFP
- Sub-Unit: N/A
- Name (Real Name): Chowon (Han Cho Won)
- Hangul: 초원
- Position: Vocal
- Birthday (Y.M.D): 02.09.16
- Nationality: Korean
- Height: 168cm (5ft 6in)
- Blood Type: O
- MBTI: INFJ
- Sub-Unit: N/A
- Name (Real Name): Na Young (Kim Na Young)
- Hangul: 나영
- Position: Vocal, Dance
- Birthday (Y.M.D): 02.11.03
- Nationality: Korean
- Height: 154cm (5ft 1in)
- Blood Type: O
- MBTI: ESTP
- Sub-Unit: N/A
- Name (Real Name): Hina (Nagai Hina)
- Hangul: 히나
- Position: Vocal
- Birthday (Y.M.D): 03.04.07
- Nationality: Japanese
- Height: 159cm (5ft 2in)
- Blood Type: A
- MBTI: ESFJ
- Sub-Unit: N/A
- Name (Real Name): Juhyeon (Lee Ju Hyeon)
- Hangul: 주현
- Position: Dance, Vocal
- Birthday (Y.M.D): 04.04.08
- Nationality: Korean
- Height: 171cm (5ft 7in)
- Blood Type: AB
- MBTI: INTJ
- Sub-Unit: N/A
- Name (Real Name): Yujeong (Lee Yu Jeong)
- Hangul: 유정
- Position: Vocal
- Birthday (Y.M.D): 04.06.14
- Nationality: Korean
- Height: 160cm (5ft 3in)
- Blood Type: AB
- MBTI: ISTP
- Sub-Unit: N/A
FORMER MEMBERS:
- Name (Real Name): Huiyeon (Oh Hui Yeon)
- Hangul: 휘연
- Position: Vocal
- Birthday (Y.M.D): 05.08.01
- Nationality: Korean
- Height: 158cm (5ft 2in)
- Blood Type: O
- MBTI: N/A
- Sub-Unit: N/A
- Name (Real Name): Jian (Kim Ji An)
- Hangul: 지안
- Position: Rap, Vocal, Maknae
- Birthday (Y.M.D): 06.11.04
- Nationality: Korean
- Height: 166cm (5ft 5in)
- Blood Type: B
- MBTI: INTP
- Sub-Unit: N/A