| idol_id | 1979 |
| Selca owner | stu48_yuunan |
| Pop type | J-Pop |
| Stage name (romanized) | Yuunan |
| Stage name (original) | ゆーなん |
| Real name (romanized) | Ishihara Yuuna |
| Real name (original) | 石原 侑奈 |
| Birth date | 2004-08-07 (age 21) ▲ ▼ |
| Chinese zodiac sign | 🐒 Monkey |
| Western zodiac sign | ♌ Leo |
| Hometown | Okayama |
| Height | |
| Weight | |
| Blood type | B |
| Debut date | 2023-04-09 (2 years and 7 months ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
STU48 | AKS | 2018-01 | Yes |