The room echoes with the smack of flesh on flesh as the mistress uses her immense ass to spank her slaves, leaving red welts on their skin. She laughs, a deep, throaty sound, as she watches them squirm, their cocks hard despite the pain. Her fat ass, a weapon of pleasure and punishment, leaves no inch of their bodies untouched, as she teaches them the art of true submission under her obese, dominating form.