About LIGHTSUM
LIGHTSUM Member Ages
Ranked from oldest to youngest.
| Member | Birthday | Age |
|---|---|---|
| 1. Sangah | Sep 04, 2002 | 20 years old |
| 2. Chowon | Sep 16, 2002 | 20 years old |
| 3. Nayoung | Nov 30, 2002 | 20 years old |
| 4. Hina | Apr 07, 2003 | 19 years old |
| 5. Juhyeon | Apr 08, 2004 | 18 years old |
| 6. Yujeong | Jun 14, 2004 | 18 years old |
LIGHTSUM Member Heights
Ranked from tallest to shortest.
| Member | Height |
|---|---|
| 1. Juhyeon | 1.71 m (5’7″) |
| 2. Sangah | 1.68 m (5’6″) |
| 3. Chowon | 1.68 m (5’6″) |
| 4. Yujeong | 1.60 m (5’3″) |
| 5. Hina | 1.58 m (5’2″) |
| 6. Nayoung | 1.55 m (5’1″) |
Members and Position(s)
Members
LIGHTSUM is composed of six members born between 2002 and 2004. Their names are: Sangah, Juhyeon, Nayoung, Chowon, Hina, and Yujeong. The oldest member is Sangah (born Sep 4, 2002). The youngest member (maknae) is Yujeong (born Jun 14, 2004). LIGHTSUM has 5 Korean members and 1 Japanese member. Hina is the only foreigner; she was born in Japan. The rest of the members are Korean.
Position(s)
| Members | Position(s) |
|---|---|
| Sangah | rapper, lead dancer |
| Chowon | main vocalist |
| Nayoung | main vocalist, lead dancer |
| Hina | sub vocalist |
| Juhyeon | leader, main dancer, lead vocalist |
| Yujeong | sub vocalist, maknae |
| Huiyeon (former) | sub vocalist |
| Jian (former) | rapper, 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
| Members | MBTI | Personality Traits |
|---|---|---|
| Sangah | ENFP | Extroverted, intuitive, feeling, and prospecting |
| Chowon | INFJ | Introverted, intuitive, feeling, and judging |
| Nayoung | ENFP | Extroverted, thinking, feeling, and prospecting |
| Hina | ESFJ | Extroverted, observant, feeling, and judging |
| Juhyeon | INTJ | Introverted, intuitive, thinking, and judging |
| Yujeong | ESFJ | Extroverted, observant, feeling, and judging |
| Huiyeon (former) | ISFP | Introverted, observant, feeling, and prospecting |
| Jian (former) | ENTP | Extroverted, 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 Yujeong (born Jun 14, 2004).
- 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.
Facts
- They are the fifth female group to debut under CUBE Entertainment after 4MINUTE, CLC, (G)I-DLE and A train to autumn.
- Initially CUBE Entertainment had planned to use the name “GRIT” for the future group. Unfortunately, none of the members agreed with the decision and it was dropped.
- LIGHTSUM managed to join STAYC and Aespa as the only 2020-2021 rookie groups to surpass 10 million mentions on Weibo, China’s largest social networking platform, without even officially debuting.
- The group was originally planned to debut with a lineup consisting of members Sang Ah, Cho Won, Na Young, Yu Jeong, Hina and Ju Hyeon. Member Ji An was added in March 2021, while Hui Yeon was added to the lineup within weeks of passing the company’s auditions.
- The pre-sale of the physical version of “Vanilla” for Japan started on June 2nd, and in less than 24 hours they managed to make “Sold Out” on Amazon Japan.
- They became the female group under CUBE Entertainment with the highest sales recorded on their first day on Hanteo (8,305), surpassing CLC’s “First Love” (91 copies) and (G)I-DLE’s “I am” (260 copies).
- “Vanilla” managed to sell 8,305 copies on its first day on Hanteo. With this, they broke the record for the debut album of a girl group debuted in 2021 with the highest sales recorded on its first day of release, thus surpassing PURPLE K!SS’s “Into Violet” (7,156 copies).
- “Vanilla” reached #1 on Hanteo Chart in real time, making it the first debut album by a girl group to do so since ITZY’s “IT’z Different” in 2019.
- They joined Aespa as the only rookie female groups debuting between 2020 and 2021 to enter Billboard’s Top 10 “World Digital Songs Sales Chart.”
