| idol_id | 97 |
| Selca owner | akb48_chiyuu |
| Pop type | J-Pop |
| Stage name (romanized) | Chiyuu |
| Stage name (original) | ちゅう |
| Real name (romanized) | Kasai Tomomi |
| Real name (original) | 河西智美 |
| Birth date | 1991-11-16 (age 32) ▲ ▼ |
| Chinese zodiac sign | 🐑 Goat |
| Western zodiac sign | ♏ Scorpio |
| Hometown | Fuchu |
| Height | 156.0cm (5'1") ▲ ▼ |
| Weight | |
| Blood type | A |
| Debut date | 2006-02 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|
|
AKS | 2005-12-08 | No |