| Full Name | Jia Yi |
| Date of Birth | 14 July, 1998 |
| Place of Birth | Shangrao, Jiangxi, China |
| Origin | China |
| Ethnicity | Han Chinese |
| Height | 6' 0" (182 cm) |
| Occupation | Actor, Singer |
| Other Names | Huang Jiaxin, Huang Jia-Xi |
| Related Group | Mr. TyGer, UNINE |
| Alma Mater | Beijing Contemporary Music Academy, Beijing, China |
| Debut Date | 2018 |