Trinity Blood

Trinity Blood (トリニティ・ブラッド Toriniti Buraddo?) is a series of Japanese light novels written by Sunao Yoshida with illustrations by Thores Shibamoto and originally serialized in The Sneaker. Set 900 years after an apocalyptic war between humans and vampires, the series focuses on the on-going cold war between the Vatican, the human government, and the "New Human Empire", the government of the vampiric Methuselah. Fighting on the Vatican's side is Abel Nightroad, a Crusnik - a vampire that feeds on vampires. The novels blend science fiction, fantasy, and political intrigue, with some in the Vatican and the Empire striving for peace, and the Rosen Kreuz Order doing anything in its power to stop it.

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I re-started reading the manga after a 3 years setback (it was up to chp 10 when I stopped reading it). Anyways if some of you haven't read it/watch it please do ._. its damn good.