| Origin |
Seoul, South Korea |
| Debut |
March 14, 2026 |
| Number of Members |
5 |
| Members |
Haru
Yeonsoo
Sea
Hyobin
Seungbi |
| Oldest Member |
Yeonsoo |
| Youngest Member (Maknae) |
Seungbi |
| Tallest Member |
Hyobin |
| Shortest Member |
Haru |
S2iT Members Profile
Haru
| Full Name |
Lee Yunseon |
| Birthday |
July 14, 2005 |
| Birthplace |
Gumi, Gyeongsangbuk-do, South Korea |
| Age |
21 years and 2 months old |
| Height |
5 feet 2 inches (158 cm) |
| Weight |
92 lbs (42 kg) |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Rooster |
| MBTI |
ENFP |
| Education |
Seoul Hoseo Art College |
| Position |
Leader, Main Dancer |
| Instagram |
@luv_yseon_ |
Yeonsoo
| Full Name |
Baek Yeonsoo |
| Birthday |
June 25, 2005 |
| Birthplace |
Cheonan-si, Chungcheongnam-do, South Korea |
| Age |
21 years and 3 months old |
| Height |
5 feet 4 inches (163 cm) |
| Weight |
99 lbs (45 kg) |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Rooster |
| MBTI |
INFJ |
| Position |
Main Vocalist |
| Instagram |
@w0owo0o |
Sea
| Full Name |
Song Jiwoo |
| Birthday |
August 9, 2006 |
| Birthplace |
N/A |
| Age |
20 years and 2 months old |
| Height |
5 feet 3 inches (161 cm) |
| Weight |
94 lbs (43 kg) |
| Zodiac Sign |
Leo |
| Chinese Zodiac Sign |
Dog |
| MBTI |
ENFP |
| Education |
Osong High School |
| Position |
Lead Vocalist |
| Instagram |
@happypyp_ |
Hyobin
| Full Name |
Park Hyobin |
| Birthday |
October 16, 2009 |
| Birthplace |
N/A |
| Age |
16 years and 11 months old |
| Height |
5 feet 5 inches (167 cm) |
| Weight |
97 lbs (44 kg) |
| Zodiac Sign |
Libra |
| Chinese Zodiac Sign |
Ox |
| MBTI |
INFJ |
| Education |
School of Performing Arts Seoul |
| Position |
Sub Vocalist |
| Instagram |
@hyobin_o9 |
Seungbi
| Full Name |
Ahn Seungbi |
| Birthday |
July 13, 2010 |
| Birthplace |
Incheon, South Korea |
| Age |
16 years and 3 months old |
| Height |
5 feet 4 inches (165 cm) |
| Zodiac Sign |
Cancer |
| Chinese Zodiac Sign |
Tiger |
| Blood Type |
B |
| MBTI |
ENFJ/ENTJ |
| Education |
Hanlim Multi Art School |
| Position |
Rapper, Maknae |
| Instagram |
@asb0713 |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Yeonsoo |
June 25, 2005 |
21 years, 3 months, 18 days old |
| Haru |
July 14, 2005 |
21 years, 2 months, 29 days old |
| Sea |
August 9, 2006 |
20 years, 2 months, 4 days old |
| Hyobin |
October 16, 2009 |
16 years, 11 months, 27 days old |
| Seungbi |
July 13, 2010 |
16 years, 3 months old |
FAQs
How many members are in S2iT?
S2iT is a 5-member K-pop girl group. The group consists of Haru, Yeonsoo, Sea, Hyobin, and Seungbi.
When did S2iT debut?
S2iT debuted on March 14, 2026, with their single What I Want.