| idol_id | 1776 |
| Selca owner | ske48_mio |
| Pop type | J-Pop |
| Stage name (romanized) | Mio |
| Stage name (original) | みお |
| Real name (romanized) | Nishii Mio |
| Real name (original) | 西井美桜 |
| Birth date | 2001-03-16 (age 23) ▲ ▼ |
| Chinese zodiac sign | 🐍 Snake |
| Western zodiac sign | ♓ Pisces |
| Hometown | Osaka |
| Height | 154.0cm (5'1") ▲ ▼ |
| Weight | |
| Blood type | |
| Debut date | 2019-11 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
SKE48 | avex trax | 2008-07-30 | Yes |