Heaven To Hell

A few years ago, JC Jensen came across a break through as they created the Absolute Solver. A serum that was injected into every civilian to ensure their safety and health; however, due to unknown causes, the serum had a few side effects for a few individuals. In a few special cases, some individuals blood turned gold causing them to turn into angelic-like beings that feed on blood. These individuals are called angels because of their striking metallic silver wings. However everything has a draw back, as a few less processed and more raw forms of the serum were leaked. This led to the creations of the angels counterparts, also known as "fallen angels" or more famously "demons". Instead of their blood turning gold, it turns black. Like angels, they grow wings; however their wings resemble a bat-like appearance. They too feed on blood, however are extremely discriminated against due to their dangerous nature. So in response to ensure civilian safety, JC Jensen sent out a wave of angels to kill these defects, causing most of them to flee and hide. However as a new wave of attacks in Heaven City arises, things aren't as they seem as the truth behind the serum slowly unravels.