What is an Arume? Edit
An Arume is essentially an advanced alien species made up of only women that appear to be human. The details of what an Arume is depends on which universe you are looking at, but all these universes have a common denominator. The Arume are in advanced technologically, they are all women, they invaded earth, and there is some sort of empress at the head of it all. The system of government, weaponry, culture, and history of the Arume all change depending on which universe you are looking at.