The secret war between humans and vampires has persisted for over two thousand years. This prolonged conflict has evolved into a form of faith, driving the weaker humans to strive relentlessly to escape their fate as mere lambs for slaughter. After the 19th century, humans finally gained a decisive advantage over the vampires, and the tide of war began to turn in their favor. However, the two millennia of warfare also led the vampires to find a way to coexist with human civilization—through binding, infiltration, and embedding themselves deeply into human society in various forms. The devilish desires of the vampires began to merge with the sinful cravings of the human world in new and insidious ways.A sudden raid unveils the prelude to an opera from hell, ensnaring two soldiers from a secret military unit in its dark and twisted narrative. This is a story about the rebirth of life, as well as a tale of faith and love.This work is dedicated to those who silently bear the weight of our peaceful lives, ensuring our tranquility.