| Full Name | Oh Seung-hee |
| Stage Name | Seunghee |
| Native Name | 오승희 |
| Birthday | October 10, 1995 |
| Age | 29 years and 8 months old |
| Zodiac Sign | Libra |
| Birthplace | Gwangju, South Korea |
| Height | 5’4″ (161 cm) |
| Weight | 108 lbs (49 kg) |
| Blood Type | A |
| MBTI | – |
| Education | Cheongdam High School |
| Languages | Korean |
| Group | CLC (2015-2023, 2025-present) |
| Social Media | Instagram: [@ohseunghee_official_] YouTube: [@OHSEUNGHEE] Twitter (X): [@offseunghee] |