| Full Name | Akiyama Cocona |
| Stage Name | Cocona |
| Native Name | 秋山心響 |
| Birthday | December 6, 2005 |
| Age | 19 years and 4 months old |
| Zodiac Sign | Sagittarius |
| Birthplace | Kanto, Japan |
| Height | 5’3″ (159 cm) |
| Weight | – |
| Blood Type | – |
| MBTI | INFJ |
| Education | AVEX Artist Academy |
| Languages | Japanese, Korean, English |
| Group | XG |
| Social Media | – |