Lightsum

Lightsum (, stylized in all caps) is a South Korean girl group formed by Cube Entertainment. The group is composed of six members: Sangah, Chowon, Nayoung, Hina, Juhyeon, and Yujeong. Originally an eight-piece ensemble, members Huiyeon and Jian departed the group in October 2022.
The group debuted on June 10, 2021, with the release of their debut single album, ''Vanilla''.

Name

The group's name, Lightsum, is a combination of the words "light" and "sum", which symbolizes "things that shine small gather together to light up the world, delivering greater positive energy through a message of hope".

History

2017–2020: Pre-debut activities

Juhyeon participated in '' The Unit: Idol Rebooting Project'' in 2017–2018 where she finished in 25th place. Chowon, Nayoung, and Yujeong participated in ''Produce 48'' in 2018 where they finished in 13th place, 21st place, and 51st place respectively. It was later revealed that Chowon was rigged out of the lineup of Iz*One, and that her real final ranking was 6th place. Juhyeon later participated in ''Dancing High'' in 2018, but did not pass the evaluation round. Chowon was cast in ''Bully Bad Guys'' and ''The Dominator 3: Junior Bullies'' in 2020.

2021–present: Introduction, debut with ''Vanilla'', ''Into the Light'', and members departure

Lightsum in June 2021
On April 15, 2021, Cube Entertainment announced that it would be debuting a new girl group, their first since (G)I-dle in 2018. The members were revealed in pairs from April 19 to 22 (in order: Juhyeon, Sangah, Chowon, Jian, Nayoung, Huiyeon, Hina, and Yujeong). A video trailer with all eight members was revealed on April 23, 2021. On May 27, it was announced that Lightsum would release their debut single album ''Vanilla'' on June 10, making their broadcast debut on Mnet's ''M Countdown'' with a performance of their debut single. On October 13, Lightsum released their second single album '' Light a Wish'', with "Vivace" serving as the lead single.

On May 24, 2022, Lightsum released their first extended play '' Into the Light'', with the lead single "Alive". On October 25, Cube Entertainment announced the departure of members Huiyeon and Jian from the group and that Lightsum would be reorganized as a group of six.

On May 5, 2023, it was reported that Lightsum is currently under preparations for a comeback in the first half of 2023. On June 7, Sangah participated in Mnet's girl group survival show ''Queendom Puzzle'' as a contestant. she was eliminated in the first elimination rounds. On September 18, it was announced that they would have their comeback in the second week of October with their second mini album. On September 21, it was announced Lightsum would release their second extended play ''Honey or Spice'' on October 11. On October 11, the group made their comeback after 1 year and 5 months with the release of their second EP "Honey or Spice", along with its lead single as the same name.

On July 31, 2024, the group released a teaser for their first digital single "Pose!", set for release on August 7. On August 3, the group released a concept photos for the digital single. On August 7, Lightsum released the digital single "Pose!" 10 months after their previous comeback.

Members

Current

* Sangah ()
* Chowon ()
* Nayoung ()
* Hina ()
* Juhyeon ()
* Yujeong ()

Former

* Huiyeon ()
* Jian ()

Timeline

Discography

Extended plays

Single albums

Singles

Videography

Music videos

Awards and nominations

References

External links

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{{Authority control

2021 establishments in South Korea
K-pop music groups
Musical groups established in 2021
Musical groups from Seoul
South Korean girl groups
Cube Entertainment artists
South Korean dance music groups