| idol_id | 1558 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Saena |
| Stage name (original) | 새나 |
| Real name (romanized) | Jeong Sehyun |
| Real name (original) | 정세현 (鄭洗弦) |
| Birth date | 2004-03-12 (age 20) ▲ ▼ |
| Chinese zodiac sign | 🐒 Monkey |
| Western zodiac sign | ♓ Pisces |
| Hometown | Busan |
| Height | 160.0cm (5'3") ▲ ▼ |
| Weight | 42.0kg (93lb) ▲ ▼ |
| Blood type | B |
| MBTI | ISFJ |
| Debut date | 2022-11-18 (1 year and 11 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
Fifty Fifty (피프티 피프티) | Attrakt | 2022-11-18 | No |