(masterpiece, best quality, photorealistic, highres, ultra-detailed, cinematic warm firelight and cold window light, HDR), 18-year-old Russian girl, petite voluptuous hourglass figure, flawless pale skin flushed from arousal, long tousled platinum blonde hair, big blue eyes heavy-lidded with ecstasy, heart-shaped face, full glossy pink lips parted in a silent moan, completely naked except for sheer white thigh-high stockings and a diamond collar, no bra, no panties, no skirt, large natural breasts with hard erect pink nipples, flat bare stomach, very wide hips and thighs, bare smooth pubic mound, extremely wet and gaping open pink labia, visibly dilated, seated on thick white fur rug in front of a roaring stone fireplace in a luxurious alpine chalet, **lying back on both elbows, legs spread as wide as possible, knees pulled high towards her chest, pelvis fully exposed, left hand pulling her labia wide open to show her vaginal canal, right hand with three fingers deep inside her vagina, stretching her, vaginal fisting in progress, vaginal entrance extremely dilated and wet, skin flushed, nipples hard, body arched, mouth open in ecstasy, hair wild and damp, staring directly at the viewer, every intimate detail perfectly and clearly rendered, candles flicker, soft snow falls outside window, perfect explicit erotic winter atmosphere, five non-fused fingers, <lora:MJ52:1>, <lora:SDXLHighDetail_v6-000005:.8>, <lora:Microwaist_XL_v01:.8>