昏き宮殿の死者の王 ～始祖の吸血鬼と闇を狩る女騎士～

End, who suffered from illness and once died, was reawakened by the power of an evil necromancer and became a vampire. Senri, a genius girl of the Knights of the End, who risks her life to hunt down and destroy those who belong to darkness. The enemy of humanity and the hope of humanity. A survival escape for these two whose existences are opposed to one another!! (Source: Square Enix, translated)