Hyeseong
| Stage Name | Hyeseong |
| Full Name | Yang Hye Sun |
| Country of Birth | Korea |
| Date of Birth | Oct 15, 1999 |
| Age | 24 years old |
| Height | 1.67 m (5'6") |
| Weight | 49 kg (107 lbs) |
| Blood Type | B |
Not Ranked
| Stage Name | Hyeseong |
| Full Name | Yang Hye Sun |
| Country of Birth | Korea |
| Date of Birth | Oct 15, 1999 |
| Age | 24 years old |
| Height | 1.67 m (5'6") |
| Weight | 49 kg (107 lbs) |
| Blood Type | B |
Not Ranked