Blood+ - City of the Night Walkers is a pre-sequel to the animated Blood+[This is a spin-off of the anime Blood +, but focuses on Kagi only.] In Hong Kong, Nishi is an young policeman investigating a case of strange murders, where the victims appear to have died of a fatal blood loss. But the investigation is taken over by a mysterious organization, whose member warns Nishi that he had better not keep on trying to uncover the truth.A while after, as Nishi wanders in the city, he is suddently attacked by a monster, but hopefully a stranger saves him.
