| idol_id | 218 |
| Selca owner | akb48_ruka |
| Pop type | J-Pop |
| Stage name (romanized) | Ruka |
| Stage name (original) | るか |
| Real name (romanized) | Yamamoto Ruka |
| Real name (original) | 山本瑠香 |
| Birth date | 2000-10-10 (age 23) ▲ ▼ |
| Chinese zodiac sign | 🐉 Dragon |
| Western zodiac sign | ♎ Libra |
| Hometown | Wakayama |
| Height | 154.0cm (5'1") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2014-04 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|
|
AKS | 2005-12-08 | No |