One day a virus appeared on Earth, this mysterious virus
kills every infected human over the age of 13. At the same time Vampires
emerged from the bowels of the world and enslaved mankind. Enter Hyakuya
Yuuichirou, he and the rest of the children from his orphanage are treated as
livestock by the vampires. Even in captivity, Yuuichirou dreams big. He dreams
of killing vampires. He dreams of killing all of them.
