| idol_id | 1018 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Yunseul |
| Stage name (original) | 윤슬 |
| Real name (romanized) | Hwang Nayoon |
| Real name (original) | 황나윤 |
| Formerly known as | Nayoon (나윤) |
| Birth date | 1999-03-30 (age 25) ▲ ▼ |
| Chinese zodiac sign | 🐇 Rabbit |
| Western zodiac sign | ♈ Aries |
| Hometown | Seoul |
| Height | 163.0cm (5'4") ▲ ▼ |
| Weight | 49.0kg (108lb) ▲ ▼ |
| Blood type | O |
| MBTI | ISFJ |
| Debut date | 2017-08-30 (7 years and 2 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
IRRIS (아이리스) | Justice Records, Mellow Entertainment | 2022-07-06 | 2024 | Group disbanded | |
|
Good Day (굿데이) | C9 Entertainment | 2017-08-30 | 2019-11-11 | Group disbanded |