Find Profile

Find Profile



CompanyCube Entertainment
Year Debut2021
Year Active1
Year DisbandedN/A

Profile Rank #101



LIGHTSUM (라잇썸; debuted Jun 10, 2021) is an eight-member South Korean girl group under CUBE Entertainment. LIGHTSUM debuted on June 10, 2021 with the single Vanilla.

# of Members8
MembersSangah, Juhyeon, Huiyeon, Nayoung, Chowon, Jian, Yujeong, Hina
Oldest MemberSangah (born Sep 4, 2002)
Youngest MemberJian (born Nov 4, 2006)
DebutJun 30, 2020June 10, 2021
CompanyCube Entertainment

LIGHTSUM Member Ages

LIGHTSUM Age Ranking

Ranked from oldest to youngest.

1. SangahSep 04, 200219 years old
2. ChowonSep 16, 200219 years old
3. NayoungNov 30, 200219 years old
4. HinaApr 07, 200319 years old
5. JuhyeonApr 08, 200418 years old
6. YujeongJun 14, 200418 years old
7. HuiyeonAug 01, 200517 years old
8. JianNov 04, 200615 years old

LIGHTSUM Member Heights

LIGHTSUM Height Ranking

Ranked from tallest to shortest.

1. Juhyeon1.71 m (5'7")
2. Sangah1.68 m (5'6")
3. Chowon1.68 m (5'6")
4. Jian1.66 m (5'5")
5. Huiyeon1.62 m (5'4")
6. Yujeong1.60 m (5'3")
7. Hina1.58 m (5'2")
8. Nayoung1.55 m (5'1")

Members and Position(s)


LIGHTSUM is composed of eight members born between 2002 and 2006. Their names are: Sangah, Juhyeon, Huiyeon, Nayoung, Chowon, Jian, Hina, and Yujeong. The oldest member is Sangah (born Sep 4, 2002). The youngest member (maknae) is Jian (born Nov 4, 2006). LIGHTSUM has 7 Korean members and 1 Japanese member. Hina is the only foreigner; she was born in Japan. The rest of the members are Korean.


Sangahrapper, lead dancer
Chowonmain vocalist
Nayoungmain vocalist, lead dancer
Hinasub vocalist
Juhyeonleader, main dancer, lead vocalist
Yujeongsub vocalist
Huiyeonsub vocalist
Jianrapper, sub vocalist, maknae

Vocal Line: Chowon, Nayoung, Juhyeon, Hina, Yujeong, and Huiyeon.

Dance Line: Juhyeon, Sangah, and Nayoung.

Rap Line: Sangah and Jian.

MBTI Personality Types

MembersMBTIPersonality Traits
SangahENFPExtroverted, intuitive, feeling, and prospecting
ChowonINFJIntroverted, intuitive, feeling, and judging
NayoungENFPExtroverted, thinking, feeling, and prospecting
HinaESFJExtroverted, observant, feeling, and judging
JuhyeonINTJIntroverted, intuitive, thinking, and judging
YujeongESFJExtroverted, observant, feeling, and judging
HuiyeonISFPIntroverted, observant, feeling, and prospecting
JianENTPExtroverted, intuitive, thinking, and prospecting

Fun Facts and Trivia

  • LIGHTSUM was CUBE Entertainment’s fifth idol group, following CLC, Pentagon, (G)I-DLE, and BTOB.
  • LIGHTSUM was the first group to debut from CUBE Entertainment since the debut of (G)I-DLE in May 2018 (three years prior).
  • The oldest member of LIGHTSUM is Sangah (born Sep 4, 2002).
  • The youngest member (maknae) of LIGHTSUM is Jian (born Nov 4, 2006).
  • There is an age gap of 4 years between the oldest member (Sangah) and the youngest member (Jian).
  • The leader of LIGHTSUM is Juhyeon.
  • LIGHTSUM is the first group from Cube Entertainment to have all members born in the 21st century.
  • The tallest member is Juhyeon with a height of 171 cm (5’7”).
  • The shortest member is Nayoung with a height of 155 cm (5’1”)
  • Tall line: Juhyeon, Sangah, Chowon, Jian.
  • Short line: Yujeong, Huiyeon, Hina, and Nayoung.


Share with us

What else would you like to see on our site?

See any errors? Send us your corrections by listing the artist and the mistake.