
| Stage Name | San |
| Full Name | Choi San |
| Country of Birth | South Korea |
| Date of Birth | July 10th, 1999 |
| Blood Type | B |
| Position | Vocalist |
| Zodiac Sign | Cancer |
| MBTI Type + Explanation | INFP (introversion, intuition, feeling, perception) |
| Agency | KQ Entertainment |
| Debut Date | October 24, 2018 |