| idol_id | 1913 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Seojin |
| Stage name (original) | 서진 |
| Real name (romanized) | Yang Seojin |
| Real name (original) | 양서진 |
| Birth date | 2008-04-16 (age 17) ▲ ▼ |
| Chinese zodiac sign | 🐀 Rat |
| Western zodiac sign | ♈ Aries |
| Hometown | |
| Height | |
| Weight | |
| Blood type | |
| MBTI | ISFP |
| Debut date | 2025-04-28 ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
HITGS (힛지스) | H Music Entertainment | 2025-04-28 | Yes |