| idol_id | 1966 |
| Selca owner | ske48_tsuchan |
| Pop type | J-Pop |
| Stage name (romanized) | Tsuchan |
| Stage name (original) | つーちゃん |
| Real name (romanized) | Kuwahara Tsubaki |
| Real name (original) | 桒原 椿 |
| Birth date | 2006-02-25 (age 19) ▲ ▼ |
| Chinese zodiac sign | 🐕 Dog |
| Western zodiac sign | ♓ Pisces |
| Hometown | Saga |
| Height | 167.0cm (5'6") ▲ ▼ |
| Weight | |
| Blood type | A |
| Debut date | 2025-03-15 (7 months ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
SKE48 | avex trax | 2008-07-30 | Yes |