tracer (트레이서) is a 4-member girl group under Gleamedia. The group members consist of Sejeong, Eunbi, Heejin, and Soeun. They debuted on November 5, 2024 with the single, “365.”
tracer Profile
| Debut | November 5, 2024 |
| Active Years | 2022–present |
| tracer Members | Sejeong, Eunbi, Heejin, Soeun |
| Genre | Pop/Dance |
| Status | Active |
| Label | Gleamedia |
| Oldest Member | Heejin |
| Youngest Member | Sejeong |
| Former Member | N/A |
| Fandom Name | N/A |
More Profiles: THE7, NCT 127, NCT DOJAEJUNG
tracer Facts:
– tracer was initially scheduled to debut on April 3, 2022 but the plan got canceled.
– Two members, Alice and Yubeen, left the group before debut and two new members, Eunbi and Sejeong were added to the lineup.
SOCIAL MEDIA HANDLES
Instagram: tracergram_
YouTube: TRACER
Twitter: tracerofficial
TikTok: tracer_official
Facebook: Tracer_official
tracer Members Profile
1. Heejin
| Stage Name | Heejin |
| Birth Name | Cho Heejin (조희진) |
| Position | Rapper |
| Birthday | March 19, 2002 |
| Active Years | 2021–present |
| Age | 23 (in 2025) |
| Zodiac Sign | Pisces |
| Height | 5’8” (173 cm) |
| Weight | 45 kg (99 lbs) |
| Nationality | Korean |
| Blood Type | B |
| MBTI | ENFP |
Heejin Facts:
– Heejin was born in South Korea.
– She was a trainee under “Yes Im” Entertainment.
– Her nickname is ‘Soybean’.
– She is in charge of speaking multiple languages in the group and is the group’s translator.
– She likes to write, and her hobby is journaling.
– She has a pet dog named Coco.
– She can speak Korean and Chinese.
– She is very flexible and she can raise her leg at 180 degrees.
– Her life’s motto is “There is no choice without regret, Let’s do our best in the current situation”.
– She was formerly known as Genie.
3. Soeun
| Stage Name | Soeun |
| Birth Name | Nam So-eun (남소은) |
| Position | Dancer |
| Birthday | December 13, 2004 |
| Active Years | 2022–present |
| Age | 20 (in 2025) |
| Zodiac Sign | Sagittarius |
| Height | 5’5” (152 cm) |
| Weight | 46 kg (100 lbs) |
| Nationality | Korean |
| Blood Type | O |
| MBTI | ISTP |
Soeun Facts:
– Sowon was born in South Korea.
– Her nickname is “Jo Jip Nyeo”.
– The meaning of her stage name is “wish” in Korean.
– Her nickname is “Light-obsessed girl”.
– She is very artistic and she loves painting.
– She has an optimistic and cheerful personality.
– She loves perfumes, and trying new restaurants.
– She is an excellent dancer and she learns the choreography very quickly.
– Her life’s motto is “Be bold but humble”.
– She and Alice have the same height.
– She was formerly known as Sowon.
3. Eunbi
| Stage Name | Eunbi (은비) |
| Birth Name | Park Eunbi (박은비) |
| Position | N/A |
| Birthday | April 1, 2006 |
| Active Years | 2024–present |
| Age | 19 (in 2025) |
| Zodiac Sign | Aries |
| Height | N/A |
| Weight | N/A |
| Nationality | Korean |
| Blood Type | V |
| MBTI | N/A |
Eunbi Facts:
N/A
4. Sejeong
| Stage Name | Sejeong (세정) |
| Birth Name | Park Sejeong (박세정) |
| Position | Maknae |
| Birthday | December 21, 2007 |
| Active Years | 2024–present |
| Age | 17 (in 2025) |
| Zodiac Sign | Sagittarius |
| Height | N/A |
| Weight | N/A |
| Nationality | Korean |
| Blood Type | N/A |
| MBTI | N/A |
Sejeong Facts:
– She was revealed as a member of tracer in October 2024.
Former Pre-debut Members:
5. Alice
| Stage Name | Alice (앨리스) |
| Birth Name | Chun Jae-young (천재영) |
| Position | Leader |
| Birthday | February 20, 2002 |
| Active Years | 2022–present |
| Age | 23 (in 2025) |
| Zodiac Sign | Pisces |
| Height | 5’5” (152 cm) |
| Weight | 45 kg (99 lbs) |
| Nationality | Korean |
| Blood Type | B |
| MBTI | ESTJ, ESFJ |
Alice Facts:
– Alice was born in South Korea.
– She is really good at playing games.
– Her hidden talent is that she can write with both hands.
– Her nicknames are Cheon Hippo, Grandma Cheon, and Yuding.
– She is very humble and organized, and she loves cleaning.
– Her favorite things to do are shopping and traveling.
– She and Yubeen are great at imitating Crayon Shin-chan.
– She is called the mom of the group.
– She and Sowoon have the same height.
– She was the fourth and final member to be introduced in TRACER.
– Her life’s motto is “Don’t Stop”.
6. Yubeen
| Stage Name | Yubeen (유빈) |
| Birth Name | Jin Yu-been (진유빈) |
| Position | Maknae |
| Birthday | September 5, 2006 |
| Active Years | 2022–present |
| Age | 19 (in 2025) |
| Zodiac Sign | Virgo |
| Height | 5’9” (180 cm) |
| Weight | 50 kg (102 lbs) |
| Nationality | Korean |
| Blood Type | AB |
| MBTI | ENFP |
Yubeen Facts:
– She was the first member introduced to TRACER.
– Yubeen was born in South Korea.
– She is fluent in Korean.
– She watches dramas in her free time.
– She is a good dancer and can learn choreographies quickly.
– Her nickname is Padak.
– She loves knitting.
– She and Alice can imitate Crayon Shin Chan.
– She is the tallest member of the group.
– Her life’s motto is “Don’t do anything you will regret, time flies”.
TRACER Photos
Debut Release:
