简介：The world has changed, the human and vampire races live together on a daily basis. The blood that vampires drink is artificial. They no longer go out hunting and their blood becomes precious because it preserves human life for much longer.

简介：

世界变了，人类和吸血鬼种族每天都生活在一起。吸血鬼喝的血是人工的。他们不再外出狩猎，他们的血液变得弥足珍贵，因为它能延长人类的生命。