| “ |
LIGHTSUM! Hello, we are LIGHTSUM! |
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| —LIGHTSUM | ||
LIGHTSUM (라잇썸) is a six-member girl group under Cube Entertainment. Originally as eight, they made their debut on June 10, 2021 with the single album "Vanilla".
History[]
Pre-debut[]
On April 15, 2021, an intro video was released on LIGHTSUM's social media announcing their name and logo.[1] Later that day, it was revealed that Cube Entertainment was accelerating preparations to debut the group in the first half of the year.[2]
On the midnight of April 19, 2021, Sangah and Juhyeon were revealed as the group's first and second members, respectively.[3][4] On April 20, Chowon and Jian were revealed as the third and fourth members, respectively.[5][6] On April 21, Nayoung and Huiyeon were revealed as the fifth and sixth members, respectively.[7][8] On April 22, Hina and Yujeong were revealed as the seventh and eighth members, respectively.[9][10] Finally, on April 23, the group's profile photo was released.[11]
2021: Debut with "Vanilla", fandom name, "Light a Wish"[]
On June 10, LIGHTSUM debuted with their first single, "Vanilla".[12] At the time, "Vanilla" broke the record for the highest first-week sales among new girl groups in 2021 until it was surpassed by IVE's "Eleven" in December 2021.[13][14]
On September 17, LIGHTSUM announced their official fandom name to be "SUMIT". The name means "LIGHTSUM and their fans become one through the medium (it) of LIGHTSUM (sum)."[15]
On September 24, a teaser posted via the group's social medias announced they would make their first-ever comeback on October 13 with the single album "Light a Wish".[16] On this day, the single album, along with its title track "Vivace", was released.
2022-2023: Into The Light, Huiyeon and Jian's departures, Honey or Spice[]
On May 6, 2022, LIGHTSUM unveiled three teaser pictures, hinting at a potential comeback.[17] Three days later, a teaser was released for their first mini album Into The Light. It was released on May 24, 2022.[18]
On October 25, 2022 Cube announced that LIGHTSUM would continue as a six-member group following the departures of members Huiyeon and Jian.[19]
On May 5, 2023, Star News announced that LIGHTSUM is currently under preparations for a comeback in the first half of 2023.[20] On September 18, it was announced that they would have their comeback in the second week of October with their second mini album.[21] On September 20, the name of the mini album was later revealed to be Honey or Spice; it was released on October 11, 2023.[22]
2024: "Pose!"[]
On July 31, the group released a teaser for their first digital single "Pose!", set for release on August 7.[23]
2025: A-IDOL[]
On March 11, 2025, it was announced that LIGHTSUM will be participating in the survival show A-IDOL.[24]
Members[]
| Name | Position(s)[25][26] | Year(s) active |
|---|---|---|
| Sangah (상아) | Leader (2023-present), Lead Dancer, Rapper | 2021–present |
| Chowon (초원) | Main Vocalist | 2021–present |
| Nayoung (나영) | Main Vocalist, Lead Dancer | 2021-present |
| Hina (히나) | Sub Vocalist | 2021-present |
| Juhyeon (주현) | Main Dancer, Lead Vocalist (Leader 2021-2023) | 2021–present |
| Yujeong (유정) | Sub Vocalist, Maknae (2022-present) | 2021–present |
| Former | ||
| Huiyeon (휘연) | Lead Dancer, Sub Vocalist | 2021–2022 |
| Jian (지안) | Sub Rapper, Sub Vocalist, Maknae (2021-2022) | 2021–2022 |
Discography[]
Mini albums[]
- Into The Light (2022)
- Honey or Spice (2023)
Single albums[]
- "Vanilla" (2021)
- "Light a Wish" (2021)
Digital singles[]
- "Pose!" (2024)
OSTs[]
- "Go Go Bella OST Part 1" ("Dance Dance") (2021)
Concerts[]
Concert participation[]
- Donauinselfest 2022 (2022)
- 2022 UNI-KON[27] (2022)
- KCON 2022 LA (2022)
- KCON 2022 US Tour (2022)
- 2022 Busan One Asia Festival (2022) (canceled)[28][29]
- 2023 Weverse Con Festival (2023)
- 2025 Weverse Con Festival (2025)[30]
Fanmeetings[]
- LIGHTSUM OFFICIAL FAN CLUB SUMIT 1ST FAN MEETING [The Best Birthday Ever!] (2023)
- LIGHTSUM 2024 SUM&GREET [HANDLE WITH LOVE!] (2024)
Filmography[]
Survival shows[]
- A-IDOL (MBC, 2025)
Radio shows[]
- Gossip Idle (Naver NOW., 2021-2022) - guest (eps. 0, 69)
Endorsements[]
On October 19, 2023, Nature Republic released new photos with LIGHTSUM endorsing their product HONEY MELTING LIP as their new muses.[31]
- Nature Republic (2023)
Awards and nominations[]
| Year | Recipient | Award | Won |
|---|---|---|---|
| Genie Music Awards | |||
| 2022 | LIGHTSUM | Next Wave Icon | Won[32] |
| Korea First Brand Awards | |||
| 2022 | LIGHTSUM | Rookie Female Idol | Won[33] |
| Mnet Asian Music Awards | |||
| 2021 | LIGHTSUM | Best New Female Artist | Nominated[34] |
Trivia[]
- Chowon, Nayoung, and Yujeong were contestants on the survival show Produce 48.
- Juhyeon was a contestant on The Unit and Dancing High.
- All of the members were born in the 21st century.
- At eight members, LIGHTSUM is the largest girl group that CUBE has ever debuted.
Gallery[]
- Main article: LIGHTSUM/Gallery
References[]
- ↑ LIGHTSUM·라잇썸 on Twitter: "[📽] LIGHTSUM(라잇썸) OFFICIAL LOGO ANIMATION ▶
- ↑ (KR): 큐브, 새 걸그룹 '라잇썸' 론칭 예고…(여자)아이들 이후 3년만[공식]
- ↑ LIGHTSUM on Twitter: PROFILE PHOTO : 상아 (SANGAH) (April 19, 2021)
- ↑ LIGHTSUM on Twitter: "PROFILE PHOTO : 주현 (JUHYEON) (April 19, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter: CHOWON (April 20, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter: JIAN (April 20, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter: NAYOUNG (April 21, 2021
- ↑ @CUBE_LIGHTSUM on Twitter: HUIYEON (April 21, 2021
- ↑ @CUBE_LIGHTSUM on Twitter: HINA (April 22, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter: YUJEONG (April 22, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter (April 23, 2021)
- ↑ LIGHTSUM·라잇썸 on Twitter: #LIGHTSUM Debut Single [Vanilla] Digital Release 2021.06.10 18:00 (KST) Physical Release 2021.06.11 (KST) #라잇썸 #Debut #Vanilla (May 27, 2021)
- ↑ KpopStarz: LIGHTSUM Breaks Record for Highest First-Week Sales among New Girl Groups That Debuted This 2021
- ↑ Soompi: IVE Achieves 2nd-Highest 1st-Week Sales Of Any Girl Group Debut Album In Hanteo History
- ↑ @CUBE_LIGHTSUM on Twitter (September 17, 2021)
- ↑ @CUBE_LIGHTSUM on Twitter (September 24, 2021)
- ↑ Soompi: LIGHTSUM Hints At Potential Comeback With Bright And Intriguing Teaser
- ↑ @CUBE_LIGHTSUM on Twitter (May 9, 2022)
- ↑ @CUBE_LIGHTSUM on Twitter (October 25, 2022)
- ↑ KOR: StarNews: LIGHTSUM "컴백 왜 늦냐고요? 완벽 욕심 채우다보니까" (인터뷰③)
- ↑ KOR: News1: 라잇썸, 1년5개월 공백 깨고 10월 컴백
- ↑ Soompi: Cube Girl Group LIGHTSUM Announces 1st Comeback In Over A Year With “Honey Or Spice”
- ↑ @CUBE_LIGHTSUM on X (July 31, 2024)
- ↑ (KR) Naver Blog: [현장스케치] "AI-DOL", 인간의 가장 창의적 영역을 AI가 어떻게 이해하고 지원할 수 있을까?
- ↑ @CUBE_LIGHTSUM on Twitter (April 23, 2021)
- ↑ KOR: News1: 라잇썸, 1년5개월 공백 깨고 10월 컴백
- ↑ UNI-KON 2022 Line-up. UNIVERSE Twitter (2022-06-23). Retrieved on 2022-06-26.
- ↑ (KR) Newsis: BOF, 2022 K-POP 콘서트 최종 라인업 공개
- ↑ @BusanCityGovt on Twitter (November 30, 2022)
- ↑ Soompi: 2025 Weverse Con Festival Announces 1st Lineup
- ↑ (KOR) News1: 네이처리퍼블릭, 걸그룹 라잇썸과 '허니 멜팅 립' 화보 공개
- ↑ Soompi: Winners Of 2022 Genie Music Awards
- ↑ Soompi: Winners Of 2022 Korea First Brand Awards
- ↑ Soompi: 2021 MAMA Announces This Year’s Nominees
Official links[]
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