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LIGHTSUM Members Profile

LIGHTSUM Members Profile: LIGHTSUM Facts

LIGHTSUM (라잇썸) is an 8 member girl group under Cube Entertainment. The lineup consists of: Sangah, Chowon, Nayoung, Hina, Juhyeon, Yujeong, Huiyeon, and Jian. They officially debuted on June 10, 2021 with the single ‘Vanilla’.

LIGHTSUM Fandom Name: SUMIT
LIGHTSUM Official Fan Color:

LIGHTSUM Official Accounts:
Twitter: CUBE_LIGHTSUM / LIGHTSUM_JP
Facebook: LIGHTSUMOfficial
Instagram: cube_lightsum
YouTube: LIGHTSUM Official Youtube Channel
Vlive: LIGHTSUM
Weibo: Cube_LIGHTSUM

LIGHTSUM Members:
Juhyeon

Stage Name: Juhyeon (주현 / 珠賢 / ジュヒョン)
Birth Name: Lee Ju Hyeon (이주현)
Hanja Name: Lǐ Zhū Xián (李珠贤)
Position: Leader, Main Dancer, Lead Vocalist
Birthday: April 8, 2004
Zodiac Sign: Aries
Chinese Zodiac Sign: Monkey
Height: 171 cm (5’7″)
Weight: 48 kg (104 lbs)
Blood Type: AB
MBTI Type: INTJ
Nationality: Korean

Juhyeon Facts:
– She was born in Seoul, South Korea.
– She attended Boseong Girls’ Middle School.
– She was the 2nd member to be revealed.
– Her nickname is Robotjju. (TongTong TV)
– She was a contestant on The Unit, where she finished on rank #25.
– She was the youngest contestant on The Unit and the 2nd trainee on the show.
– She auditioned for Dancing High but wasn’t selected as a contestant.
– She had a cameo in PENTAGON’s music video for ”Young”.
– Hobbies: watching dramas, listening to music, going for walks.
– She got into Cube Entertainment in 2014.
– Her role models are BoA and HyunA.
– She began dancing when she was in the 2nd grade.
– Her motto: ”Let’s not lose me.”
Show more Juhyeon fun facts…

Sangah

Stage Name: Sangah (상아 / 相雅 / サンア)
Birth Name: Yoon Sang Ah (윤상아)
Hanja Name: Yǐn Xiāng Yǎ (尹相雅)
Position: Lead Dancer, Rapper
Birthday: September 4, 2002
Zodiac Sign: Virgo
Chinese Zodiac Sign: Horse
Height: 168 cm (5’6″)
Weight:
Blood Type:
MBTI Type: ENFP
Nationality: Korean

Sangah Facts:
– She was born in Incheon, South Korea.
– She attended Inseong Girls’ High School (graduated), PinkM Dance Academy and A-Root dance academy.
– She was the 1st member to be revealed.
– She has an older brother.
– She passed first-round auditions for MLD, AStory, CJ ENM, Urban Works, J-Planet, Vine, YueHua, JYP, and Source Music.
– She loves baseball and is very good at it.
– She collects signed baseball T-shirts from baseball players.
– She doesn’t get shy in front of people easily. (TongTong TV)
– Her motto: ”Don’t get discouraged and keep your shoulders straight!”‘
Show more Sangah fun facts…

Chowon

Stage Name: Chowon (초원 / 霄瑗 / チョウォン)
Birth Name: Han Cho Won (한초원 / ハン・チョウォン)
Hanja Name: Hán Xiāo Yuàn (韓霄瑗)
Position: Main Vocalist
Birthday: September 16, 2002
Zodiac Sign: Virgo
Chinese Zodiac Sign: Horse
Height: 168 cm (5’6″)
Weight: 50 kg (110 lbs)
Blood Type: O
MBTI Type: INFJ
Nationality: Korean

Chowon Facts:
– She was born in Eunpyeong-gu, Seoul, South Korea.
– She attended Seoul Eungam Elementary School (graduated), Chungam Middle School (graduated) & Hanlim Entertainment and Arts High School (graduated)
– She was the 3rd member to be revealed.
– She was a contestant on PRODUCE 48, where she finished on rank #13.
– She was supposed to be a member of IZ*ONE, ranking 6th, but due to the manipulation scandal, she ranked 13th.
– Nicknames: anti-war, stiff, class monitor, black pearl, Cube’s future, Madewa, reversal queen.
– She appeared on the MBC News in the first grade.
– She is catholic.
– Her Baptismal name is Sophia.
– She is friends with Junho of DRIPPIN.
– She trained for 1 year and 10 months before going on PRODUCE 48.
– Hobbies: Playing Piano, eating.
– Skills: Waacking dance, composing.
– She originally trained to be an actress.
– She has a younger brother.
– She gets teased by her members all the time. (TongTong TV)
– She loves collecting perfumes, accessories, and cosmetics.
– Her motto: ”Never mind.”
Show more Chowon fun facts…

Nayoung

Stage Name: Nayoung (나영 / 娜英 / ナヨン)
Birth Name: Kim Na Young (김나영 / キム・ナヨン)
Hanja Name: Jīn Nà Yīng (金娜英)
Position: Main Vocalist, Lead Dancer
Birthday: November 30, 2002
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Horse
Height: 155 cm (5’0″)
Weight: 43 kg (94 lbs)
Blood Type: O
MBTI Type: ENFP
Nationality: Korean

Nayoung Facts:
– She was born in Chuncheon, Gangwon-do, South Korea.
– She attended Bongui Elementary School (graduated), Namchuncheon Girls’ Middle School (graduated) & Seoul Performing Arts High School (graduated)
– She was the 5th member to be revealed.
– She was a contestant on PRODUCE 48, where she finished on rank #21.
– She is a former Banana Culture trainee.
– While being a trainee under Banana Culture, she was part of the trainee group Newkid.
– She joined Cube in March 2020.
– She trained for 1 year and 7 months before going on PRODUCE 48.
– Nicknames: Captain Kawaii, Great Rabbit, Narongi.
– Hobby: copying people’s way of speaking, acting, and character.
– Specialty: doing skipping rope, cartwheel.
– She is friends with FANATICSDoah and fromis_9‘s Gyuri.
– She passed the first round of auditions for FNC, Woollim, and Source Music.
– She appeared in an episode of SBS Bravo My Life (Episode 10) and tvN Where is Mr. Kim (Season 2, Episode 3).
Show more Nayoung fun facts…

Hina

Stage Name: Hina (히나 / 阳菜 / ヒナ)
Birth Name: Nagai Hina (나가이 히나 / ナガイ ヒナ)
Position: Sub Vocalist
Birthday: April 7, 2003
Zodiac Sign: Aries
Chinese Zodiac Sign: Goat
Height: 158 cm (5’2″)
Weight: 40 kg (88 lbs)
Blood Type: A
MBTI Type: ESFJ
Nationality: Japanese

Hina Facts:
– She was the 7th member to be revealed.
– She attended MARU Dance Studio.
– In Japan, Hina attended a dance academy that covered KPOP. She learned “Icy” by ITZY there.
– When she started studying Korean, she found some of the words very cute.
– If Hina is talking with the members and there are words she doesn’t understand but can’t ask what they mean, she’ll just give two thumbs up or say “OK! OK!”. However, when she does this, the members will know that she doesn’t actually understand.
– When she left Japan to go to Korea, her friends and teacher threw her a surprise party.
– Hina is a big fan of TWICE, she’s been to their concerts several times and also attended a High Touch event.
– She knows how to do ballet.
– When she was a kid, she wanted to become a flight attendant, just like her mother. (TongTong TV)
– She loves mint cocolate greek yougurt. (TongTong TV)
– Her motto: ”Your efforts will never betray you.”
Show more Hina fun facts…

Yujeong

Stage Name: Yujeong (유정 / 宥姃 / ユジョン)
Birth Name: Lee Yu Jeong (이유정 / ・ユジョン)
Hanja Name: Lǐ Yòu Zhēng (李宥姃)
Position: Sub Vocalist
Birthday: June 14, 2004
Zodiac Sign: Gemini
Chinese Zodiac Sign: Monkey
Height: 160 cm (5’3″)
Weight: 41 kg (90 lbs)
Blood Type: AB
MBTI Type: ISFJ
Nationality: Korean

Yujeong Facts:
– She was the 8th member to be revealed.
– She attended Bongwon Middle School (graduated) & Seoul Performing Arts High School (Department of Theater and Film)
– She was a contestant on Produce 48, where she finished rank #51.
– Hobbies: playing the piano, doing K-Pop dances.
– Specialty: Musical.
– She’s a former trainee at Stardom Entertainment, Fantagio Entertainment, and CNC School.
– She trained for six months before going on PRODUCE 48.
– She was a cheerleader for 5 years.
– She known as the “Rabbit” of the team. (TongTong TV)
– She’s the “lazy perfectionist” of the team. (TongTong TV)
– Her motto: ”Let’s not make excuses and do our best in everything.”
Show more Yujeong fun facts…

Huiyeon

Stage Name: Huiyeon (휘연 / 徽姸 / フィヨン)
Birth Name: Oh Hui Yeon (오휘연)
Hanja Name: Wú Huī Yán (吳徽姸)
Position: Sub Vocal
Birthday: August 1, 2005
Zodiac Sign: Leo
Chinese Zodiac Sign: Rooster
Height: 162 cm (5’3”)
Weight:
Blood Type:
MBTI Type: ISFP
Nationality: Korean

Huiyeon Facts:
– She was the 6th member to be revealed.
– She attended Daegu Dalsan Elementary School (graduated) & Chung-Ang University College of Master’s High School (second year)
– She passed the first-round auditions to P-Nation, JYP & Snowball Entertainment.
– In elementary school she was a figure skater. (TongTong TV)
– In addition, she won two awards for her figure skating.
– She used to train as an actress under Snowball Entertainment.
– Her favorite food is rice noodles. (TongTong TV)
– Her motto: ”You gotta do better!”.
Show more Huiyeon fun facts…

Jian

Stage Name: Jian (지안 / 池按 / ジアン)
Birth Name: Kim Ji An (김지안)
Hanja Name: Jīn Chí Àn (金池按)
Position: Sub Vocal, Rapper, Maknae
Birthday: November 4, 2006
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Dog
Height: 166 cm (5’5.5″)
Weight:
Blood Type:
MBTI Type: ENTP
Nationality: Korean

Jian Facts:
– She was the 4th member to be revealed.
– She attended Seoul Beodle Elementary School (graduated) & Jungshin Girls’ Middle School.
– She is a former JYP trainee.
– She has a very positive personality.
– She learned Taekwondo for 2 years when she was in kindergarten.
– Her motto: ”Let’s spend days without regret when we look back.”
Show more Jian fun facts…

For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging

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Note 2: Some of the positions and Juhyeon’s height have been updated according to TongTong TV interview fro June 15, 2021).

(Special thanks to; nugu stan, Ayty El Semary, KIMNAY0UNG, Lia, handongluvr, mits, kimnayoungdebutation, Nabi Dream, Julia W, jenctzen for additional information!)

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