Hitachiin Hikaru
常陸院 光
| Hitachiin Hikaru常陸院 光B | |
| Measurements | Height: 178cm |
| Birthday | 9 June |
| Hair | Red, Short |
| Eyes | Amber |
| Body | Teen |
| Clothes | Blazer, School Uniform |
| Role | Classmate, High School Student, Host(ess), Older Brother, School Extraordinary Club Member, Twin Brother |
| Visual novels | Main character - Ouran Koukou Host Club |
| Voiced by | Suzumura Ken'ichi |
Description1st year high school student, A class. | |