| idol_id | 1285 |
| Selca owner | cignature_semi |
| Pop type | K-pop |
| Stage name (romanized) | Semi |
| Stage name (original) | 세미 |
| Real name (romanized) | Goo Semi |
| Real name (original) | 구세미 (具世美) |
| Birth date | 2002-04-10 (age 23) ▲ ▼ |
| Chinese zodiac sign | 🐎 Horse |
| Western zodiac sign | ♈ Aries |
| Hometown | Incheon |
| Height | 166.0cm (5'5") ▲ ▼ |
| Weight | 45.0kg (99lb) ▲ ▼ |
| Blood type | A |
| MBTI | ENFP |
| Debut date | 2020-02-04 (5 years and 9 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
cignature (시그니처) | C9 Entertainment | 2020-02-04 | 2024-11-30 | Group disbanded |