| 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 | 20 years and 11 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 |
| @luv_yseon_ |
Yeonsoo
| Full Name | Baek Yeonsoo |
| Birthday | June 25, 2005 |
| Birthplace | Cheonan-si, Chungcheongnam-do, South Korea |
| Age | 21 years 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 |
| @w0owo0o |
Sea
| Full Name | Song Jiwoo |
| Birthday | August 9, 2006 |
| Birthplace | N/A |
| Age | 19 years and 10 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 |
| @happypyp_ |
Hyobin
| Full Name | Park Hyobin |
| Birthday | October 16, 2009 |
| Birthplace | N/A |
| Age | 16 years and 8 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 |
| @hyobin_o9 |
Seungbi
| Full Name | Ahn Seungbi |
| Birthday | July 13, 2010 |
| Birthplace | Incheon, South Korea |
| Age | 15 years and 11 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 |
| @asb0713 |
Member Ages: Oldest to Youngest
| Member | Birthday | Age |
|---|---|---|
| Yeonsoo | June 25, 2005 | 21 years, 1 day old |
| Haru | July 14, 2005 | 20 years, 11 months, 12 days old |
| Sea | August 9, 2006 | 19 years, 10 months, 17 days old |
| Hyobin | October 16, 2009 | 16 years, 8 months, 10 days old |
| Seungbi | July 13, 2010 | 15 years, 11 months, 13 days 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.
