In the Land of Human, Vampires & Monsters: Vampires have evolved to be immune to the sun & any anti-vampire weapons made by humans in the past, leaving the world in the Cyra era where this is one of the most peaceful era on its inhabitants. Yet the Community of Vampires is divided into social classes that both depends on the blood concentration and annual income.
Then two men from two different classes seek for the past being caused the ongoing discrimination of their kind.
