| idol_id | 442 |
| Selca owner | hkt48_wakachan |
| Pop type | J-Pop |
| Stage name (romanized) | Wakachan |
| Stage name (original) | わかちゃん |
| Real name (romanized) | Wakatabe Haruka |
| Real name (original) | 若田部遥 |
| Birth date | 1998-09-26 (age 26) ▲ ▼ |
| Chinese zodiac sign | 🐅 Tiger |
| Western zodiac sign | ♎ Libra |
| Hometown | Fukuoka |
| Height | 170.0cm (5'7") ▲ ▼ |
| Weight | |
| Blood type | |
| Debut date | 2011-07 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
HKT48 | AKS | 2011-10-23 | No |