A highly detailed photorealistic cinematic full body portrait of an adult nude peasant girl, she exposes her very small firm bubble butt, she is on all fours, A narrow beam of rich golden sunlight falls through the window into the otherwise dark room, illuminating suspended dust particles and creating a warm atmospheric glow with soft volumetric light and deep surrounding shadows, clearly rooted in a rural 16th century European setting, inspired by the soft facial proportions, hairstyle and rustic appearance of the supplied reference image, exceptionally pretty in a completely natural unpolished way, soft oval face, gently rounded cheeks, delicate jawline, straight natural nose, softly shaped lips, very dark deep blue eyes with intricate iris structure, realistic corneal reflections, crisp eyelashes and natural eyebrows, her expression sweet, open and guileless, slightly naive and adorably foolish, a shy mischievous smile suggesting simple cheerful curiosity rather than sophistication, no modern glamour, no makeup, no contemporary beauty styling, fair untreated skin with visible pores, fine peach fuzz, tiny imperfections, subtle uneven complexion and faint natural redness, extremely thick blonde hair divided into two heavy loosely braided plaits falling over her shoulders, substantial irregular braids with escaped strands around her temples, ears and cheeks, simple hand tied natural linen headscarf covering the crown of her head and tied practically behind it, authentic rural 16th century styling, she is nude, with, small, perfectly shaped, firm and high-set breasts, naturally lifted and rounded, with pronounced rosy-red areolas, exceptionally long prominent erect nipples, sharply defined nipple texture, detailed areolar skin, subtle natural creases and realistic skin pores, intimate, peaceful, atmospheric and richly textured, manual self stimulation using only her fingers, no toys or objects, gentle rhythmic finger movement focused on the external genital area and clitoris, natural hand positioning, realistic anatomy, intimate but non graphic depiction, She caresses her vagina. She inserts her fingers into her vagina. She closes her eyes. She moans, while touching herself's vagina, absorbed and slightly naughty, relaxed, direct warm gaze toward the viewer, quietly approachable country presence, background suggesting a dim rustic timber interior with rough wood and soft atmospheric depth, highly detailed skin, lips, eyelashes, individual blonde hairs, linen weave, hand stitching and aged material surfaces, soft directional natural daylight, gentle shadow modeling, restrained earthy color palette, rich tonal range, strong but realistic micro contrast, 85 mm full frame portrait lens, shallow depth of field, precise focus on eyes and face, subtle analog film grain, realistic highlight roll off