A long time ago, an ancient war happened between angels. Those who lost became fallen angels and formed an empire in another plane. They follow a single leader who they respect and love. They colonized new worlds and become technologically advanced. They did this all for the leader they love.
One day the Empress was building a device which jammed and sent her to a lower human world. This world suppressed her powers, she became nothing but an ordinary fallen angel.
Releasing them at 5pm GMT.
-Image from my friend Vialive :D