| idol_id | 1019 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Ye ah |
| Stage name (original) | 예아 |
| Real name (romanized) | Kim Ha-eun |
| Real name (original) | 김하은 |
| Formerly known as | Ha eun (하은) |
| Birth date | 1999-10-09 (age 24) ▲ ▼ |
| Chinese zodiac sign | 🐇 Rabbit |
| Western zodiac sign | ♎ Libra |
| Hometown | Namyangju |
| Height | 162.0cm (5'4") ▲ ▼ |
| Weight | 44.0kg (97lb) ▲ ▼ |
| Blood type | B |
| Debut date | 2017-08-30 (6 years and 8 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|
|
(시그니처)
|
C9 Entertainment | 2020-02-04 | No | |
|
(굿데이)
|
C9 Entertainment | 2017-08-30 | 2019-11-11 | Group disbanded |