This is a world with contracts. In addition to humans, this world also has a clan of gods, divided into the light angel clan, the dark angel clan and the blood clan. Mu Hao and Xiao Tao are representatives of the angel clan respectively. Although they are both angels, there have been countless wars between the Angels of Light and the Angels of Darkness, and they have also faced vampire attacks led by the Demon God. So how did they resolve the conflict between the two races? How to fight against the vampires?
