| Full Name | Oe Riku |
| Stage Name | Riku |
| Native Name | 大江梨久 |
| Birthday | October 26, 2002 |
| Age | 22 years and 10 months old |
| Zodiac Sign | Scorpio |
| Birthplace | Kyoto, Japan |
| Height | 5’4″ (162 cm) |
| Weight | – |
| Blood Type | AB |
| MBTI | ESFP |
| Education | – |
| Languages | Korean, Japanese, English |
| Group | NiziU |
| Social Media | – |