Seraph of the End: Vampire Reign is a manga dark fantasy, written by Takaya Kagami and designed by Yamato Yamamoto. An anime adaptation, produced by Studio Wit, was broadcast in Japan between April 4 and December 26, 2015. The opening song is "X.U" performed by Sawano Hiroyuki [nZk]:Gemie, while the ending song is "scaPEGoat" performed by Sawano Hiroyuki [nZk]:Yosh.
In 2012 the world comes to an end because of a virus that decimates the human population, leaving intact only the children. Ben willing to exploit the situation, the vampires emerge from the recesses of the earth, followed in turn by other ancient horrors that were believed to be only myths.