A photorealistic 3:4 vertical seated portrait photographed indoors in low light with direct on-camera flash. An adult woman, approximately 24 to 32 years old, sits diagonally on a carved black wooden chair. Her body turns toward the right side of the frame while her face rotates back toward the camera. Both arms rise high and fold behind her head, with the elbows pointing separately toward the upper-left and upper-right corners, creating a wide, imperfect triangular frame. Her spine extends slightly, the chest lifts and the head tilts backward with the chin elevated. Despite the backward tilt, her slightly lowered eyelids look toward the camera positioned below her face. Her lips remain gently parted. The expression is calm, languid and self-assured, suspended between a deliberate pose and an incidental nighttime snapshot.  Preserve her elongated facial proportions, subtly lifted eye shape and clearly defined lips. Use a makeup direction combining vintage Shanghai-inspired cinema, contemporary evening beauty and East Asian fashion portrait styling: a softly matte complexion, refined brows, elongated upward black eyeliner, muted gray-brown eyeshadow, restrained contouring and low-saturation rose-bean or brick-rose lipstick. Avoid severe Western-style contouring, oversized false lashes and highly reflective glass lips.  Her hair is natural black or extremely deep cool brown-black. It is brushed away from the face and remains relatively smooth at the crown, then falls heavily from the back of the head and shoulders along the left side of the chair. The long hair should feel sleek and weighty, absorbing most of the surrounding light like black satin. Only narrow highlights appear where the flash strikes. Keep slight natural curvature at the ends and avoid large, voluminous curls.  The figure is long, supple and naturally slim, with an elongated neck and shoulder line, slender but believable arms and a gently defined waist. One leg bends horizontally across the front of the chair, exposing a long lower leg, ankle and silver strappy heel. The other leg bends toward the right side of the frame, revealing the knee and part of the thigh. Preserve believable leg overlap and perspective compression. Most of the weight rests on one hip and the upholstered cushion. The raised arms must show realistic shoulder tension, joint angles and muscle stretch. Do not add extra arms, hands or fingers.  She wears a fitted sleeveless top in champagne gray, gray-pink beige or pale cool mauve. Fine silver metallic fibers are woven through the knit or mesh, while small irregular sequins or metallic points are scattered across the chest. Direct flash breaks these embellishments into fragmented gold-and-silver reflections. The remaining fabric combines a delicate matte surface with restrained shimmer. The top fully covers the chest, with relatively deep armholes and only a faint translucent impression around the fabric edges. Do not introduce a plunging neckline, exaggerated cleavage or a wardrobe malfunction.  The skirt is a high-waisted satin midi skirt in dusty blush, muted gray rose or champagne pink. It fits smoothly around the waist and hips, then gathers into rich, irregular folds across the thighs, knees and chair. Loose front draping and hanging fabric should fall below the seat. The satin should visually suggest a cool, smooth and finely woven touch. Raised folds reflect silver-pink highlights, while recessed creases shift into muted gray-violet shadow.  Visible skin includes the full face and ears, neck, collarbones, a small area of the upper chest, shoulders, both underarm areas, inner upper arms, forearms, one knee, part of a thigh, a lower leg, ankle and top of the foot. The complexion is light and fair with neutral beige and subtle peach-pink undertones. Under direct flash, the skin appears creamy and bright, while shadowed areas shift toward warm gray. The surface should look fine and clean, visually suggesting a soft, slightly cool and naturally elastic touch. Preserve faint pores, natural joint color variation and believable contours around the shoulders, arms and knees. Avoid a completely textureless porcelain or wax surface.  Add long, fine silver or crystal drop earrings and an extremely delicate metallic necklace with a tiny pendant. She wears silver strappy high-heeled sandals with narrow ankle straps and reflective metal heels. The seat is a heavy carved black wooden chair or bench with a dark floral textile cushion.  The background is a dim, enclosed private dining room, vintage lounge or restaurant chamber using East Asian-inspired decorative language. Behind the subject is an aged parchment-brown mural or textile screen depicting white cranes, bamboo branches or reeds. Heavy glossy black wooden borders and dark wall panels surround it. A deep vermilion or wine-red wall section appears on the right, along with the partial curved outline of dark furniture. The room should feel like the remains of an old nighttime banquet: quiet, glamorous, faintly mysterious and slightly dangerous.  Photograph the scene like an early-2000s compact digital camera nightlife image, using an approximately 28–40mm equivalent focal length and an aperture impression around f/2.8 to f/4. Position the camera slightly below the subject’s face, roughly around chest or waist height. The mild low angle emphasizes the raised arms, long neck and backward head tilt. Use a vertical seated three-quarter-to-full-body composition, including everything from the lifted elbows to the silver heels. Let the subject fill almost the entire vertical frame, with the right knee approaching the edge and the crop retaining a slightly hurried, imperfect offset.  The main physical light source is a hard direct flash positioned close to the lens axis and slightly left. The light falls off rapidly, making the face, shoulders, arms, shimmering top and satin skirt visibly bright while the mural, black wooden structures and distant room become underexposed. The raised arms cast relatively hard-edged shadows around the face, neck and wall. Deep occlusion appears beneath the arms, beside the waist and where the body meets the chair. Preserve only a weak warm-red ambient glow on the right. Do not add softboxes, even fill light, blue rim light or bright daylight windows.  Retain low-light digital grain, mild JPEG compression, background noise, uneven local sharpness, slightly bright flash-rendered skin and an imperfect nightlife crop. Do not polish the image into a noise-free, evenly lit, ultra-clean commercial studio editorial.  She had just turned and settled into the dim room, and the satin skirt had already gathered between her knees. She now lifts both hands behind her head and looks beyond the flash toward the lens. A moment later, she may lower her arms and disappear back into the unfinished night. The image should blend vintage Shanghai-inspired diva energy, East Asian decorative art, old-film banquet atmosphere and early-2000s direct-flash fashion photography. Mature, cool and languid, with authenticity taking priority over perfection.  Negative prompt: underage appearance, phone selfie, mirror reflection, extra arms, extra fingers, deformed hands, broken joints, arm intersection, hair intersection, exaggerated bust, extreme tiny waist, explicit exposure, wardrobe malfunction, miniskirt, plastic skin, waxy face, bright white studio, even soft lighting, blue rim light, heavy HDR, oversharpening, noise-free commercial editorial, anime, obvious 3D render.