| idol_id | 1321 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Lina |
| Stage name (original) | 리나 |
| Real name (romanized) | Oh Sejin |
| Real name (original) | 오세진 (吳世辰) |
| Birth date | 1997-07-27 (age 27) ▲ ▼ |
| Chinese zodiac sign | 🐂 Ox |
| Western zodiac sign | ♌ Leo |
| Hometown | Changwon |
| Height | 164.0cm (5'5") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2019-09-16 (5 years and 3 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
ANS | ANS Entertainment | 2019-09-16 | 2020-08-11 | Group disbanded |