Requiem: Vampire Knight (2009)

In a world where time runs backward and evil is celebrated, Resurrection rebirths souls as monsters within a twisted order. Heinrich Augsburg, a German officer slain on the Eastern front, awakens as a member of the vampire elite. Now known as Requiem Vampire Knight, he must navigate the eerie halls of Resurrection and its perilous vampire society while clinging to a single, fragile thread of hope—his lost love and the chance for redemption.

As he moves through this reverse realm, Requiem encounters a labyrinth of power, loyalty, and danger. The quest to reclaim his past drives him deeper into the heart of undead politics and ominous rituals, where every alliance could tilt the balance between ruin and renewal. His search for love becomes a focal point amid the chilling mysteries of Resurrection, testing his strength and resolve against a world where the night governs all.