| idol_id | 1701 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Yunseo |
| Stage name (original) | 윤서 |
| Real name (romanized) | Kim Yunseo |
| Real name (original) | 김윤서 |
| Birth date | 2004-07-03 (age 20) ▲ ▼ |
| Chinese zodiac sign | 🐒 Monkey |
| Western zodiac sign | ♋ Cancer |
| Hometown | Seoul |
| Height | 167.0cm (5'6") ▲ ▼ |
| Weight | |
| Blood type | A |
| MBTI | ESFJ |
| Debut date | 2024-06-03 (5 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
BadVillain (배드빌런) | Big Planet Made Entertainment | 2024-06-03 | Yes |