| idol_id | 532 |
| Selca owner | ngt48_naachan |
| Pop type | J-Pop |
| Stage name (romanized) | Naachan |
| Stage name (original) | なーちゃん |
| Real name (romanized) | Nishimura Nanako |
| Real name (original) | 西村菜那子 |
| Birth date | 1997-08-11 (age 28) ▲ ▼ |
| Chinese zodiac sign | 🐂 Ox |
| Western zodiac sign | ♌ Leo |
| Hometown | Nagano |
| Height | 163.0cm (5'4") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2015-03 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
NGT48 | AKS | 2015-08-21 | No |