# Soridata Artist Profile - Lightsum

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> **Lightsum** (라잇썸) is a South Korean Girl Group that debuted in 2021. They consist of 6 members: Juhyeon, Chowon, Hina, Nayoung, Sangah and Yujeong. 

# General Information

- Soridata ID: 1130
- Group Gender: Female
- Stage Name: Lightsum (라잇썸)
- Original Company: Cube Entertainment
- Active Since: 2021
- Debut Day: 2021-06-10
- Current Status: Active

# Metrics and Achievements

- Success Rating: 0.6
*_Success is a star rating that goes from 0 (min) to 5 (max), each star represents one of the following: Sales up to 500000, Streaming score up to 700, Awards up to 5, Youtube Views up to 250 million, Yearly awards up to 7. Example: An artist with 250000 sales (0.5 stars), 900 streaming score (1 star), 8 awards (1 stars), 200 million Youtube views (0.8 stars) and 6 yearly awards (0.85 stars) would be rated ~4.16._*
- Time to Success: 843 days
*_Time to Success measures the duration from debut until an artist reaches their first major milestone: reaching #1 on the Circle Chart Weekly, achieving cumulative sales of 100000 units, or winning a music show award (whichever occurs first)._*
- Last Release: 2026-09-23
- Perfect All-Kills (PAKs): 0
- Music Show Awards: 0
- End of year Awards: 0
- Streaming Weekly data (from Circle Chart Digital, available since 2010): Artist never ranked in top 100
- Billboard Global 200 weekly data (available since 2020, counting only Korean acts): Artist never ranked in top 200
- Physical Sales (Circle Chart Album, published since 2010): 106,873+ units
- Total Youtube Views (from official videos): 108,860,715+

# Members of the group

- [Juhyeon (주현)](https://soridata.com/artists/Juhyeon.md): Lee Juhyeon (Date of Birth: 2001-04-08 - 25 years) from South Korea as Leader, Vocal, Dancer
- [Chowon (초원)](https://soridata.com/artists/Chowon.md): Han Chowon (Date of Birth: 2002-09-16 - 24 years) from South Korea as Vocal
- [Hina (히나)](https://soridata.com/artists/Hina.md): Nagai Hina (Date of Birth: 2003-04-07 - 23 years) from Japan as Vocal
- [Nayoung (나영)](https://soridata.com/artists/Nayoung_%282002%29.md): Kim Na Young (Date of Birth: 2002-11-30 - 23 years) from South Korea as Vocal, Dancer
- [Sangah (상아)](https://soridata.com/artists/Sangah.md): Yoon Sangah (Date of Birth: 2002-09-04 - 24 years) from South Korea as Rapper, Dancer
- [Yujeong (유정)](https://soridata.com/artists/Lee-Yujeong.md): Lee Yujeong (Date of Birth: 2004-06-14 - 22 years) from South Korea as Vocal

# Previous Members of the group

- [Huiyeon (휘연)](https://soridata.com/artists/Huiyeon.md): Oh Huiyeon (Date of Birth: 2005-08-01) from South Korea as Vocal
- [Jian (지안)](https://soridata.com/artists/Jian.md): Kim Jian (Date of Birth: 2006-11-04) from South Korea as Vocal, Rapper, ex-Maknae

# Links and references

- [Instagram](https://www.instagram.com/cube_lightsum/)
- [Facebook](https://www.facebook.com/LIGHTSUMOfficial/)
- [TikTok](https://tiktok.com/@official_lightsum)
- [Youtube Channel](https://www.youtube.com/channel/UCeQlMQ-4cedE7SNmF5JsdsA)
- [Melon](https://www.melon.com/artist/timeline.htm?artistId=2941794)
- [Wikipedia](https://en.wikipedia.org/wiki/Lightsum)
- [Namu.wiki](https://namu.wiki/w/LIGHTSUM)
- [Apple Music](https://music.apple.com/artist/lightsum/1570093242)
- [Spotify](https://open.spotify.com/artist/57HNdw2ObRmfwWHG8Xhs8t)