Black Noblesse summary:

In the Ether Empire, the privileged thrive on the floating island, Skyland, while the impoverished struggle in the Lowlands. Follow Nailah, a peasant-born aristocrat who dreams of reaching the pinnacle of the aristocracy: The Elysian. As she suddenly loses everything, Nailah, alongside a group of misfits, faces the challenges of the Lowlands to rebuild her life from scratch and pursue her lofty ambitions.