LIGHTSUM


CUBE Entertainment
About
“LIGHTSUM!
Hello, we are LIGHTSUM!”
Hello, we are LIGHTSUM!”
LIGHTSUM is a K-pop girl group made up of six members – SANGAH, CHOWON, NAYOUNG, HINA, JUHYEON and YUJEONG. The group debuted on June 10, 2021 under CUBE Entertainment.
LIGHTSUM Profile
LIGHTSUM Members
LIGHTSUM
# | Age (from oldest to youngest) | Height (from tallest to shortest) |
---|---|---|
1 | SANGAH (20) | JUHYEON (171cm) |
2 | CHOWON (20) | CHOWON (168cm) |
3 | NAYOUNG (20) | SANGAH (166cm) |
4 | HINA (19) | YUJEONG (160cm) |
5 | JUHYEON (18) | HINA (159cm) |
6 | YUJEONG (18) | NAYOUNG (155cm) |
# | Joining CUBE (from first to last) |
---|---|
1 | JUHYEON |
2 | CHOWON |
3 | SANGAH |
4 | HINA |
5 | YUJEONG |
6 | NAYOUNG |
LIGHTSUM Members Profile & Facts
SANGAH

CUBE Entertainment
Name | 상아 | SANGAH |
---|---|
Full Name | 윤상아 | Yoon Sangah |
Date of Birth | September 4, 2002 |
Hometown | Incheon, South Korea |
Citizenship | Republic of Korea |
Height | 166cm | 5′-05″ |
Zodiac Sign | Virgo |
Education | Insung Girls’ High School |
MBTI | ENFP |
Position | Rapper, Lead Dancer |
SANGAH Facts
She got into CUBE Entertainment as a trainee in 2019. |
Role Model: Bae Suzy, CL |
Favorite Sport: baseball |
Favorite Baseball Team: SSG Landers |
CHOWON

CUBE Entertainment
Name | 초원 | CHOWON |
---|---|
Full Name | 한초원 | Han Chowon |
Date of Birth | September 16, 2002 |
Hometown | Eunpyeong-gu, Seoul, South Korea |
Citizenship | Republic of Korea |
Height | 168cm | 5′-06″ |
Blood Type | O |
Zodiac Sign | Virgo |
Family | Mother, Father, Younger Brother |
Education | Hanlim Arts School |
Religion | Catholicism |
MBTI | INFJ |
Position | Main Vocalist |
CHOWON Facts
Her Christian name is Sophia. |
CHOWON graduated from Hanlim Arts School (Department of Applied Music) in February 2021. |
She is a former Produce 48 contestant. |
NAYOUNG

CUBE Entertainment
Name | 나영 | NAYOUNG |
---|---|
Full Name | 김나영 | Kim Nayoung |
Date of Birth | November 30, 2002 |
Hometown | Chuncheon, Gangwon-do, South Korea |
Citizenship | Republic of Korea |
Height | 155cm | 5′-01″ |
Blood Type | O |
Zodiac Sign | Sagittarius |
Family | Mother, Father, Older Brother |
Education | School of Performing Arts Seoul |
MBTI | ENFP |
Position | Main Vocalist, Lead Dancer |
NAYOUNG Facts
She started her trainee life in middle school. |
NAYOUNG is a former Banana Culture trainee. |
She is a former Produce 48 contestant. |
HINA

CUBE Entertainment
Name | 히나 | HINA |
---|---|
Full Name | 나가이 히나 | 長井陽菜 | Nagai Hina |
Date of Birth | April 7, 2003 |
Place of Birth | Kanagawa Prefecture, Japan |
Hometown | Tokyo, Japan |
Citizenship | Japan |
Height | 159cm | 5′-03″ |
Blood Type | A |
Zodiac Sign | Aries |
Family | Mother, Father |
MBTI | ESFJ |
Position | Sub Vocalist |
HINA Facts
She became the first Japanese female artist of CUBE Entertainment. |
HINA moved from Japan to Korea in October 2019. |
TWICE inspired HINA to become a K-pop idol. |
JUHYEON

CUBE Entertainment
Name | 주현 | JUHYEON |
---|---|
Full Name | 이주현 | Lee Juhyeon |
Date of Birth | April 8, 2004 |
Hometown | South Korea |
Citizenship | Republic of Korea |
Height | 171cm | 5′-08″ |
Blood Type | AB |
Zodiac Sign | Aries |
Family | Mother, Father, Older Brother |
Education | Bosung Girls’ Middle School |
MBTI | INTJ |
Position | Leader, Main Dancer, Lead Vocalist |
JUHYEON Facts
She got into CUBE Entertainment as a trainee in 2014. |
She is a former THE UNI+ contestant. |
YUJEONG

CUBE Entertainment
Name | 유정 | YUJEONG |
---|---|
Full Name | 이유정 | Lee Yujeong |
Date of Birth | June 14, 2004 |
Hometown | South Korea |
Citizenship | Republic of Korea |
Height | 160cm | 5′-03″ |
Blood Type | AB |
Zodiac Sign | Gemini |
Family | Mother, Father, Older Sister |
Education | School of Performing Arts Seoul |
MBTI | ISFJ |
Position | Sub Vocalist |
YUJEONG Facts
YUJEONG is a former STARDIUM trainee. |
Life Goal: Live a happy life. |
She is a former Produce 48 contestant. |
Discography
Year | Type | Album Title | Title Track |
---|---|---|---|
2022 | 1st EP | Into The Light | ALIVE |
2021 | Single | Light a Wish | VIVACE |
Single | Vanilla | Vanilla |
LIGHTSUM Facts
LIGHTSUM is the first girl group from CUBE Entertainment in three years, after (G)I-DLE, which debuted in 2018. |
GRIT was one of their group name candidates. |
Former LIGHTSUM Members
Name | Born | Position | Years Active |
---|---|---|---|
HUIYEON | August 1, 2005 | Sub Vocalist | June 10, 2021 – October 25, 2022 |
JIAN | November 4, 2006 | Rapper, Sub Vocalist | June 10, 2021 – October 25, 2022 |
Category: 2021 Debuts