| Clue | Character |
| Main protagonist | |
| Yuuki's childhood friend- a vampire and Vampire Hunter | |
| Head of the Moon Dorm and a Pureblood Vampire | |
| Vice-President of the Moon Dorm | |
| Member of the Night Class in love with Kaname | |
| Night Class model | |
| Night class model | |
| Night Class member in love with Ruka | |
| Nicknamed 'Idol' | |
| Kaname's bodyguard | |
| | Clue | Character |
| Pureblood who killed Zero's family | |
| Shizuka's fiance and Senri's father | |
| Chairman of Cross Academy | |
| Yuuki's best friend | |
| Vampire Hunter and Zero's mentor | |
| Zero's twin | |
| Yuuki's father | |
| Yuuki's mother | |
| Night class member possessed by Shizuka | |
| Murdered her fiance and kidnapped Takuma | |
|