| Origin |
Seoul, South Korea |
| Debut |
November 27, 2025 |
| Number of Members |
5 |
| Members |
Seok Jun Ho
Yang Hee Gyo
Do Min Kyu
Jung Ji Yeong
Shin Se I |
| Former Members |
Jang Min Joon
Lee Hyeok Ju |
| Oldest Member |
Seok Jun Ho |
| Youngest Member (Maknae) |
Shin Se I |
THE SSYNDROME Members Profile
Seok Jun Ho
| Full Name |
N/A |
| Birthday |
February 13, 2004 |
| Birthplace |
N/A |
| Age |
22 years and 8 months old |
| Height |
N/A |
| Zodiac Sign |
Aquarius |
| Chinese Zodiac Sign |
Monkey |
| MBTI |
INFJ |
| Position |
Leader, Vocalist, Keyboardist |
Yang Hee Gyo
| Full Name |
N/A |
| Birthday |
April 18, 2005 |
| Birthplace |
N/A |
| Age |
21 years and 5 months old |
| Height |
N/A |
| Zodiac Sign |
Aries |
| Chinese Zodiac Sign |
Rooster |
| MBTI |
ENTP |
| Position |
Vocalist, Guitarist |
Do Min Kyu
| Full Name |
Do Min Kyu |
| Birthday |
October 7, 2005 |
| Birthplace |
N/A |
| Age |
21 years old |
| Height |
N/A |
| Zodiac Sign |
Libra |
| Chinese Zodiac Sign |
Rooster |
| Blood Type |
AB |
| MBTI |
ENFJ |
| Position |
Bassist |
| Instagram |
@do.bby_isfree |
Jung Ji Yeong
| Full Name |
N/A |
| Birthday |
June 22, 2006 |
| Birthplace |
N/A |
| Age |
20 years and 3 months old |
| Height |
N/A |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Dog |
| MBTI |
ISFP |
| Position |
Vocalist, Drummer |
Shin Se I
| Full Name |
Hwang Jin Seok |
| Birthday |
October 10, 2006 |
| Birthplace |
N/A |
| Age |
20 years old |
| Height |
N/A |
| Zodiac Sign |
Libra |
| Chinese Zodiac Sign |
Dog |
| Blood Type |
A |
| MBTI |
ENFP |
| Education |
Lila Art High School |
| Position |
First Guitarist, Maknae |
Former Member Profile
Jang Min Joon
| Full Name |
N/A |
| Birthday |
June 1, 2005 |
| Birthplace |
N/A |
| Age |
21 years and 4 months old |
| Height |
N/A |
| Zodiac Sign |
Gemini |
| Chinese Zodiac Sign |
Rooster |
| MBTI |
ENFP |
| Position |
Vocalist, Bassist |
Lee Hyeok Ju
| Full Name |
Lee Hyeok Ju |
| Birthday |
September 29, 2007 |
| Birthplace |
N/A |
| Age |
19 years old |
| Height |
N/A |
| Zodiac Sign |
Libra |
| Chinese Zodiac Sign |
Pig |
| MBTI |
ENFP |
| Position |
Vocalist, Maknae |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Seok Jun Ho |
February 13, 2004 |
22 years, 8 months old |
| Yang Hee Gyo |
April 18, 2005 |
21 years, 5 months, 25 days old |
| Do Min Kyu |
October 7, 2005 |
21 years, 6 days old |
| Jung Ji Yeong |
June 22, 2006 |
20 years, 3 months, 21 days old |
| Shin Se I |
October 10, 2006 |
20 years, 3 days old |
FAQs
How many members are in THE SSYNDROME?
THE SSYNDROME is a 5-member K-pop boy group. The group consists of Seok Jun Ho, Yang Hee Gyo, Do Min Kyu, Jung Ji Yeong, and Shin Se I.
When did THE SSYNDROME debut?
THE SSYNDROME debuted on November 27, 2025, with their single ALIVE.