Prompt

Reverse cowgirl sex POV. She wears long, tight, shiny chocolate satin nightgown with thin shoulder straps. She lifts her nightgown with her hand exposing her naked hairy vagina. Thick cock is pushed balls deep in her vagina. She leans back pushing her pelvis forward., she smiles misteriously, cute sweter happy face. Night scene . Very dark ballroom. Dimmed soft light only at her body. Background barely visible. Very dark room behind her back.