Snow falls outside the cabin window during sis swapsex. Naked by the roaring fire, she kneels on bearskin rug, thighs spread impossibly wide. Flames gild her skin as she murmurs “Warm me with sis swapsex.” Fingers plunge deep, then withdraw glistening to paint “sis swapsex” across her breasts, her belly, her clit. She repeats the motion—fuck, paint, moan “sis swapsex”—until her whole body shines with arousal and firelight. The heat becomes unbearable; she lies back, legs to the ceiling, and rams four fingers inside while screaming “sis swapsex, burn me sis swapsex!” Orgasm explodes like sparks; she squirts toward the flames in glittering arcs, collapsing with a final blissful “sis swapsex” as embers pop in answer.