한 Lightsum Lightsum (라잇썸) is a South Korean Girl Group that debuted in 2021. They consist of 6 members: Juhyeon, Chowon, Hina, Nayoung, Sangah and Yujeong. Read All General Information International Stage Name : Lightsum Domestic Stage Name : Pronounce 라잇썸 Debut Day : 2021-06-10 (Active) Company/Agency : Cube Entertainment (큐브 엔터테인먼트) Members 202120222023202420252026 JuhyeonChowonHinaNayoungSangahYujeongHuiyeonJian Juhyeon (주현) Full Name: Lee Juhyeon Date of Birth: 2001-04-08 (25 years) Zodiac sign: Aries Country: South Korea Active period: 2021-present Role: Leader,Vocal,Dancer Chowon (초원) Full Name: Han Chowon Date of Birth: 2002-09-16 (23 years) Zodiac sign: Virgo Country: South Korea Active period: 2021-present Role: Vocal Hina (히나) Full Name: Nagai Hina Date of Birth: 2003-04-07 (23 years) Zodiac sign: Aries Country: Japan Active period: 2021-present Role: Vocal Nayoung (나영) Full Name: Kim Na Young Date of Birth: 2002-11-30 (23 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2021-present Role: Vocal,Dancer Sangah (상아) Full Name: Yoon Sangah Date of Birth: 2002-09-04 (23 years) Zodiac sign: Virgo Country: South Korea Active period: 2021-present Role: Rapper,Dancer Yujeong (유정) Full Name: Lee Yujeong Date of Birth: 2004-06-14 (22 years) Zodiac sign: Gemini Country: South Korea Active period: 2021-present Role: Vocal Past Members Huiyeon (휘연) Full Name: Oh Huiyeon Date of Birth: 2005-08-01 Zodiac sign: Leo Country: South Korea Active period: 2021-2022 Role: Vocal Jian (지안) Full Name: Kim Jian Date of Birth: 2006-11-04 Zodiac sign: Scorpio Country: South Korea Active period: 2021-2022 Role: Vocal,Rapper,ex-Maknae Metrics and Achievements Success(max 5 stars) : Time since last release : (2024-08-07) Time to Success : Not reached or Indie/Nugu PAKs : 0 Music Show Awards2006+ : 0 Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 106.873+ (All data available) Most sold item : VANILLA with 41.143+ sold copies Total Youtube Views : 107.987.868+ Brand Physical Sales : 106.873+ Brand Views : 108.982.855+ Images No images yet