Once Upon a time a war began between darkness and light, the soldiers in this were angels and demons. In the last great battle between the two, the balanced changed forever. For the first time the Dark Empire won, resulting in complete devastation for the Angel Kingdoms. As a last resort the chiavo was used to seal off the Empire of light, and the demons have been seeking a way in ever since. While this was going on the demon lord Mezine and high angel princess, Star fell in love, setting off events they could never imagine.