| Full Name | Choi Yu-jin |
| Stage Name | Yujin |
| Native Name | ìµœìœ ì§„ |
| Birthday | August 12, 1996 |
| Age | 28 years and 10 months old |
| Zodiac Sign | Leo |
| Birthplace | Jeonju, Jeollabukdo, South Korea |
| Height | 5’4″ (163 cm) |
| Weight | 92.6 lbs (42 kg) |
| Blood Type | A |
| MBTI | ENFP-T |
| Education | Hanlim Multi Arts School |
| Languages | Korean, Japanese, English |
| Group | Kep1er CLC |
| Social Media | Instagram: [@utokki_u] TikTok: [@utokki0] |