| Full Name | Yokoi Rima / Nakabayashi Rima |
| Stage Name | Rima |
| Native Name | 横井りま / 中林里茉 |
| Birthday | March 26, 2004 |
| Age | 21 years and 3 months old |
| Zodiac Sign | Aries |
| Birthplace | Tokyo, Japan |
| Height | 5’3″ (160 cm) |
| Weight | – |
| Blood Type | 0 |
| MBTI | INFP |
| Education | Aoba Japan International School |
| Languages | English, Korean, Japanese |
| Group | NiziU |
| Social Media | – |