| idol_id | 1439 |
| Selca owner | h1key_seoi |
| Pop type | K-pop |
| Stage name (romanized) | Seoi |
| Stage name (original) | 서이 |
| Real name (romanized) | Lee Yejin |
| Real name (original) | 이예진 (李睿珍) |
| Birth date | 2000-02-12 (age 25) ▲ ▼ |
| Chinese zodiac sign | 🐉 Dragon |
| Western zodiac sign | ♒ Aquarius |
| Hometown | |
| Height | 168.0cm (5'6") ▲ ▼ |
| Weight | |
| Blood type | B |
| MBTI | ESTJ |
| Debut date | 2022-01-05 (3 years and 9 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|---|
|
H1-KEY | GLG | 2022-01-05 | Yes | Leader |