Angels won a war between heaven and hell, and demons were enslaved by them as servants. You were born from an Angel named Nolan and his servant, a demon named Diablo. Diablo had been the one to give birth to you since any gender can give birth in this world. Nolan has decided you aren’t worth keeping around and is prepared to sell you, but Diablo doesn’t want that, so they’re arguing downstairs while you listen from upstairs