| idol_id | 1799 |
| Selca owner | stu48_nacchan |
| Pop type | J-Pop |
| Stage name (romanized) | Nacchan |
| Stage name (original) | なっちゃん |
| Real name (romanized) | Watanabe Natsuki |
| Real name (original) | 渡辺菜月 |
| Birth date | 2000-12-12 (age 23) ▲ ▼ |
| Chinese zodiac sign | 🐉 Dragon |
| Western zodiac sign | ♐ Sagittarius |
| Hometown | Yamaguchi |
| Height | 156.0cm (5'1") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2019-10-27 (5 years ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
STU48 | AKS | 2018-01 | Yes |