| idol_id | 1627 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Sion |
| Stage name (original) | 시온 |
| Real name (romanized) | Ryu Sion |
| Real name (original) | 류시온 (柳始溫) |
| Birth date | 2001-03-07 (age 24) ▲ ▼ |
| Chinese zodiac sign | 🐍 Snake |
| Western zodiac sign | ♓ Pisces |
| Hometown | Daegu |
| Height | 158.0cm (5'2") ▲ ▼ |
| Weight | |
| Blood type | AB |
| MBTI | ISFJ |
| Debut date | 2024-01-05 (1 year and 9 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
Geenius (지니어스) | Sure Place | 2024-01-05 | Yes |