Fable for the End of the World

"By encouraging massive accumulations of debt from its underclass, a single corporation, Caerus, controls all aspects of society. Inesa lives with her brother in a half-sunken town where they scrape by running a taxidermy shop. Unbeknownst to Inesa, their cruel and indolent mother has accrued an enormous debt--enough to qualify one of her children for Caerus's livestreamed assassination spectacle: the Lamb's Gauntlet. ... When Inesa learns that her mother has offered her as a sacrifice, at first she despairs--the Gauntlet is always a bloodbath for the impoverished debtors. But she's had years of practice surviving in the apocalyptic wastes, and with the help of her hunter brother she might stand a chance of staying alive"--