Lightsum Members Popularity Ranking
In this post, we will introduce the member popularity ranking of CUBE Entertainment’s new girl group “LIGHTSUM”, which debuted in June 2021, using a unique method of counting.
In addition, the member popularity ranking is based on the data collected by September 2021. Also, in order to display the latest ranking, the ranking is based on the data of the last 4 months.
About Lightsum
Lightsum is a KPOP group under CUBE Entertainment. It is originally composed of 8 members however, 2 members left the group at the same time.
Official Fanclub Name
Lightsum’s official fanclub name is called SUMIT. It means Lightsum and their fans become one through the medium of it.
It was officially announced last September 17, 2021.
Lightsum Logo

Lightsum’s official logo contains a little star and it doesn’t have much design which is still eye pleasing.
It shows unique letters written with a distinctive color yellow that is not commonly used in the KPOP industry.
Lightsum Debut Song
Lightsum debuted with their first single called Vanilla. It was a dance pop song which make Lightsum a powerful performance.
Stream Vanilla on YouTube!
Rank #1 – Nayoung

Stage Name: Nayoung
Birth Name: Kim Na Young
Hanja Name: Jīn Nà Yīng
Position: Main Vocalist, Lead Dancer, Center
Birthday: November 30, 2002
Birthplace: Chuncheon, Gangwon-do, South Korea
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 won 1st place in the popularity ranking of LIGHTSUM members. She is also the 5th member of Lightsum that was revealed.
She had a lot of Japanese fans since she appeared on “PRODUCE 48”, and when it was announced that she would debut as LIGHTSUM, she was overflowing with “Congratulations!”
Nayoung, who is very popular not only in Japan but also in South Korea! She attended Seoul Performing Arts High School and was a former Banana Culture trainee.
She ranked 21st in PRODUCE 48 but she has a lot of supporters cheering for her. Before joining CUBE last 2020, Nayoung trained for 1 year and 7 months.
Recommended: NewJeans Popularity Ranking
Rank #2 – Hina

Stage Name: Hina
Birth Name: Nagai Hina
Position: Sub Vocalist
Birthday: April 7, 2003
Birthplace: Kanagawa Prefecture, Japan
Zodiac Sign: Aries
Chinese Zodiac Sign: Goat
Height: 159 cm (5’2″)
Weight: 40 kg (88 lbs)
Blood Type: A
MBTI Type: ESFJ
Nationality: Japanese
The only Japanese member of LIGHTSUM is Hina. Hina is the first Japanese woman to make her debut from her agency, CUBE Entertainment! Hina, who ranked second, is very popular in Japan!
Hina was the 7th member of Lightsum that was revealed. Hina is also a big fan of TWICE and said that her role model is Sana from the said group.
Aside from singing, Hina is also good at ballet. The reason why Hina wants to become an artist is to cheer up people just by seeing her!
Rank #3 – Yujeong

Stage Name: Yujeong
Birth Name: Lee Yu Jeong
Hanja Name: Lǐ Yòu Zhēng
Position: Sub Vocalist, Maknae
Birthday: June 14, 2004
Birthplace: Seoul, South Korea
Zodiac Sign: Gemini
Chinese Zodiac Sign: Monkey
Height: 162 cm (5’3″)
Weight: 41 kg (90 lbs)
Blood Type: AB
MBTI Type: ISFJ
Nationality: Korean
Yujeong is famous for having appeared in “PRODUCE 48”, but in fact she has been active since she was a child actor. She is in charge of the group’s sub-vocals and also has her charming talent.
She was the 8th and last member who was revealed to be Lightsum’s member. She attended Seoul Performing Arts high school and she is under the Theater and Film department.
Just like other members, Yujeong is also a contestant of PRODUCE 48 and she was ranked 51st.
Rank #4 – Chowon

Stage Name: Chowon
Birth Name: Han Cho Won
Hanja Name: Hán Xiāo Yuàn
Position: Main Vocalist
Birthday: September 16, 2002
Birthplace: Eunpyeong-gu, Seoul, South Korea.
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
Before her debut, she was famous for appearing on “PRODUCE 48” and had many fans even before her debut. Chowon has a strong vocal ability and is in charge of the group’s main vocal.
She was supposed to debut as an IZ*ONE member but it was said that the scores were manipulated. Instead of ranking 6th, she ranked 13th place.
Chowon was the 3rd Lightsum member that was revealed. She graduated his high school at Hanlim Entertainment and Arts School.
Chowon was said to train 1 year and 10 months in total before auditioning to PRODUCE 48 and she originally trained to become an actress not an idol.
Rank #5 – Sangah

Stage Name: Sangah
Birth Name: Yoon Sang Ah
Hanja Name: Yǐn Xiāng Yǎ
Position: Lead Dancer, Rapper
Birthday: September 4, 2002
Birthplace: Ganseok-dong, Namdong-gu, Incheon, South Korea
Zodiac Sign: Virgo
Chinese Zodiac Sign: Horse
Height: 168 cm (5’6″)
Blood Type: B
MBTI Type: ENFP
Nationality: Korean
Sangah, the oldest member of LIGHTSUM, is versatile in sports. It is a member with excellent motor nerves who has participated in many sports competitions.
Sangah is the first Lightsum member that was revealed. She treats Bae Suzy and CL as her role models. One interesting fact about Sangah is that she loves touching her hair.
She also attended dance classes from A-Root Dance Academy and PinkM Dance Academy.
Also Read: IVE Popularity Ranking
Rank #6 – Juhyeon

Stage Name: Juhyeon
Birth Name: Lee Ju Hyeon
Hanja Name: Lǐ Zhū Xián
Position: Leader, Main Dancer, Lead Vocalist
Birthday: April 8, 2004
Birthplace: Seoul, South Korea
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 is the leader of LIGHTSUM. Juhyeon debuted with the longest trainee period in the group and has been chosen as the leader.
She had been a trainee under CUBE Entertainment for 7 years and she is the 2nd Lightsum member that was revealed. Juhyeon even learned about dancing as early as 2nd grade.
HyunA and BoA are her role models. Aside from being a good dancer, Juhyeon is also good at playing guitar and speaking Japanese.
Juhyeon even have an experience with composing a music and she has plans in the future to produce her own album.
Rank #7 – Huiyeon

Stage Name: Huiyeon
Birth Name: Oh Hui Yeon
Hanja Name: Wú Huī Yán
Position: Sub Vocalist
Birthday: August 1, 2005
Birthplace: Seoul, South Korea
Zodiac Sign: Leo
Chinese Zodiac Sign: Rooster
Height: 163 cm (5’3”)
Blood Type: O
MBTI Type: ISFP
Nationality: Korean
Huiyeon, who is the group’s maknae line but not the youngest, has a baby-faced visual that is sometimes mistaken for the youngest!
Before auditioning to be a member of Lightsum, Huiyeon trained as an actress with Snowball Entertainment.
Huiyeon auditioned through online and she was the 6th member that was revealed. Aside from singing, Huiyeon is also good at figure skating, drawing and she is said to be the best cook among the members.
CUBE announced that she left the group in October 2022 together with Jian.
Rank #8 – Jian

Stage Name: Jian
Birth Name: Kim Ji An
Hanja Name: Jīn Chí Àn
Position: Sub Vocalist, Rapper, Maknae
Birthday: November 4, 2006
Birthplace: Seoul, South Korea.
Zodiac Sign: Scorpio
Chinese Zodiac Sign: Dog
Height: 165.6 cm (5’5″)
Blood Type: B
MBTI Type: ENTP
Nationality: Korean
8th place in this Ranking is Jiang, the youngest member of LIGHTSUM.
She is 14 years old now and looks quite mature. She is a member that I’m looking forward to getting more and more refined from now on.
Jian is a former JYP trainee before debuting as one of Lightsum’s official members. She is the 4th one that was revealed as a member.
She loves Jennie’s BLACKPINK whom she is treating as her role model.
Later on, Jian left the group together with Huiyon which was announced by CUBE last October 2022.
Lightsum Official SNS Accounts
Website (Japan): https://lightsum-official.jp/
Twitter: https://twitter.com/CUBE_LIGHTSUM
Twitter (Japan): https://twitter.com/LIGHTSUM_JP
Facebook: https://www.facebook.com/LIGHTSUMOfficial
Instagram: https://www.instagram.com/cube_lightsum/
YouTube: https://www.youtube.com/channel/UCeQlMQ-4cedE7SNmF5JsdsA
Who is the Most Popular Lightsum Member?
Based on the ranking made, it shows that Nayoung is the most popular Lightsum member. She is the group’s center and it’s no wonder why she is the most popular among the members.
That’s all for the LIGHTSUM member popularity ranking!
I’ve seen articles on other sites that consider the order of popularity, but on this site, I’m trying to rank them using a more unique counting method!
It’s only been a few months since LIGHTSUM debuted, but if they continue their activities in the future, the popularity of the members and the group should increase even more!
Let’s pay attention to LIGHTSUM!
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