Riomi Subiha

Riomi is a high school student who is looked down on by everyone around him. But one day he is rescues from being kidnapped. His rescuer is a girl named Miko Takite. She recruits him to become a Driver, a person who fights against a species of vampire who controls people by biting them. Now he goes about his school life befriending other students while trying to uncover the mystery of this vampire threat.