| idol_id | 1885 |
| Selca owner | stu48_richa |
| Pop type | J-Pop |
| Stage name (romanized) | Richa |
| Stage name (original) | りちゃ |
| Real name (romanized) | Shimizu Risako |
| Real name (original) | 清水りさ子 |
| Birth date | 2005-01-15 (age 20) ▲ ▼ |
| Chinese zodiac sign | 🐒 Monkey |
| Western zodiac sign | ♑ Capricorn |
| Hometown | Yamaguchi |
| Height | 161.0cm (5'3") ▲ ▼ |
| Weight | |
| Blood type | O |
| Debut date | 2023-04 ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
STU48 | AKS | 2018-01 | No |