| idol_id | 312 |
| Selca owner | bppop_siyoo |
| Pop type | K-pop |
| Stage name (romanized) | Siyoo |
| Stage name (original) | 시유 |
| Real name (romanized) | Lee Siyoo |
| Real name (original) | 이시유 |
| Birth date | 1993-02-17 (age 31) ▲ ▼ |
| Chinese zodiac sign | 🐓 Rooster |
| Western zodiac sign | ♒ Aquarius |
| Hometown | |
| Height | 168.0cm (5'6") ▲ ▼ |
| Weight | 44.0kg (97lb) ▲ ▼ |
| Blood type | |
| Debut date | 2013-01-16 (11 years and 10 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
BPPOP (비피팝) | BP Story | 2013-01-16 | 2015 | Group disbanded |