(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 messy platinum blonde hair, big blue bedroom eyes, heart-shaped face, full glossy pink lips parted in ecstasy, completely naked except for sheer white thigh-high stockings and a diamond choker, no bra, no panties, no skirt, large natural breasts with erect pink nipples, bare flat stomach, very wide hips and full thighs, bare pubic area, visibly wet open pink labia, seated on thick white fur rug in front of a roaring stone fireplace in a luxurious alpine chalet, **reclining back on her elbows with both legs spread extremely wide, one knee bent up, pelvis thrust forward, left hand spreading her labia, right hand with two fingers inside her vagina, middle finger visibly wet, body arched and shuddering, nipples hard, cheeks flushed deep pink, tousled hair, gazing at the viewer with a look of intense pleasure, mouth open in a moan, visible breath in the cold air, snow falling softly outside a large window, mugs of cocoa and pine branches on rustic table, soft candlelight and sparkling winter decorations, explicit erotic winter atmosphere, perfect hand and toe anatomy, all details of body, labia, and fingers perfectly rendered, no errors, five distinct non-fused fingers, <lora:MJ52:1>, <lora:SDXLHighDetail_v6-000005:.8>, <lora:Microwaist_XL_v01:.8>