| Name | : | Hongou Yui |
| Birthplace | : | Tokyo |
| Age | : | 15 years |
| Birthdate | : | Oct-26 |
| Blood type | : | AB |
| Height | : | 162 cm |
| Hobbies | : | Reading mystery novels, Listening to music |
| Abilities | : | Excellent academic and athletic achievements. Speaks English and can read Ancient Chinese. |
| Family | : | Father, Mother |
| Seiyuu | : | Touma Yumi |