| idol_id | 1351 |
| Selca owner | |
| Pop type | J-Pop |
| Stage name (romanized) | Ayaka |
| Stage name (original) | アヤカ |
| Real name (romanized) | Arai Ayaka |
| Real name (original) | 新井 彩花 |
| Birth date | 2003-06-20 (age 22) ▲ ▼ |
| Chinese zodiac sign | 🐐 Goat |
| Western zodiac sign | ♊ Gemini |
| Hometown | Osaka |
| Height | 168.0cm (5'6") ▲ ▼ |
| Weight | |
| Blood type | A |
| MBTI | ESTJ |
| Color | Pantone White |
| Debut date | 2020-12-02 (4 years and 11 months ago) ▲ ▼ |
| Country of origin | 
Japan |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
|
NiziU (ニジュー) | JYP Entertainment | 2020-12-02 | Yes |