CODE VEIN -Memory Echoes-

In the not too distant future, a mysterious disaster has brought collapse to the world as we know it. Towering skyscrapers, once symbols of prosperity, are now lifeless graves of humanity's past pierced by the Thorns of Judgment. At the center of the destruction lies a hidden society of Revenants called Vein. This final stronghold is where the remaining few fight to survive, blessed with Gifts of power in exchange for their memories and a thirst for blood. Give into the bloodlust fully and risk becoming one of the Lost, fiendish ghouls devoid of any remaining humanity. The manga's spinoff story centers on the Revenant Louis, who is also known as Sekiken (Red Sword). (Source: Anime News Network)