| idol_id | 557 |
| Selca owner | nmb48_chuba |
| Pop type | J-Pop |
| Stage name (romanized) | Chuba |
| Stage name (original) | ちゅば |
| Real name (romanized) | Yamauchi Tsubasa |
| Real name (original) | 山内つばさ |
| Birth date | 2000-06-06 (age 25) ▲ ▼ |
| Chinese zodiac sign | 🐉 Dragon |
| Western zodiac sign | ♊ Gemini |
| Hometown | Osaka |
| Height | 158.2cm (5'2") ▲ ▼ |
| Weight | |
| Blood type | |
| Debut date | 2012-02 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
NMB48 | Showtitle | 2010-10-09 | No |