| idol_id | 1235 |
| Selca owner | ngt48_yuuchan |
| Pop type | J-Pop |
| Stage name (romanized) | Yuuchan |
| Stage name (original) | ゆーちゃん |
| Real name (romanized) | Tominaga Yu |
| Real name (original) | 富永夢有 |
| Birth date | 2002-07-16 (age 23) ▲ ▼ |
| Chinese zodiac sign | 🐎 Horse |
| Western zodiac sign | ♋ Cancer |
| Hometown | Nagaoka |
| Height | |
| Weight | |
| Blood type | A |
| Debut date | 2018-06-12 (7 years and 4 months ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
NGT48 | AKS | 2015-08-21 | No |