| Full Name | Hong Eun-chae |
| Stage Name | Hong Eunchae |
| Native Name | 홍은채 |
| Birthday | November 10, 2006 |
| Age | 18 years and 5 months old |
| Zodiac Sign | Scorpio |
| Birthplace | Seongsu-dong, Seongdong-gu, Seoul, South Korea |
| Height | 5’7″ (170 cm) |
| Weight | 101.4 lbs (46 kg) |
| Blood Type | A |
| MBTI | ISTJ |
| Education | Incheon Arts High School |
| Languages | Korean, English, Japanese |
| Group | LE SSERAFIM |
| Social Media | Instagram: [@hhh.e_c.v] |