LIGHTSUM
| Name | LIGHTSUM |
| Company | Cube Entertainment |
| Fandom | SUMIT |
| Year Debut | 2021 |
| Year Active | 2 |
| Year Disbanded | N/A |
Not Ranked
About
LIGHTSUM (라잇썸; debuted Jun 10, 2021) is an six-member South Korean girl group under CUBE Entertainment. LIGHTSUM debuted on June 10, 2021 with the single Vanilla. Their members are: Sangah, Juhyeon, Nayoung, Chowon, Yujeong, and Hina. Huiyeon and Jian left the group in October 2022.
| Profile | |
|---|---|
| # of Members | 6 |
| Members | Sangah, Juhyeon, Nayoung, Chowon, Yujeong, Hina |
| Former Members | Huiyeon, Jian |
| Oldest Member | Sangah (born Sep 4, 2002) |
| Youngest Member | Yujeong (born Jun 14, 2004) |
| Leader | Juhyeon |
| Debut | Jun 30, 2020June 10, 2021 |
| Company | Cube Entertainment |
| Fandom | SUMIT |
LIGHTSUM Member Ages
LIGHTSUM Age Ranking
Ranked from oldest to youngest.
| Member | Birthday | Age |
|---|---|---|
| 1. Sangah | Sep 04, 2002 | 21 years old |
| 2. Chowon | Sep 16, 2002 | 21 years old |
| 3. Nayoung | Nov 30, 2002 | 20 years old |
| 4. Hina | Apr 07, 2003 | 20 years old |
| 5. Juhyeon | Apr 08, 2004 | 19 years old |
| 6. Yujeong | Jun 14, 2004 | 19 years old |
LIGHTSUM Member Heights
LIGHTSUM Height Ranking
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.