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[Subject] Single stylized young woman, early-20s appearance, feminine presentation, waist-up portrait, centered pose with slight head tilt, relaxed half-lidded eyes, soft neutral pout, pale porcelain skin with cool blush on cheeks and nose, straight jet-black bob haircut ending at the shoulders, blunt-cut bangs above the eyebrows, delicate lashes, subtle eyeliner, glossy nude lips, slim neck, curvy chest emphasized by fitted top, silver cross pendant necklace hanging at upper chest.

[Clothing & materials] Black fitted long-sleeve cropped top / bustier hybrid, deep sweetheart neckline, smooth matte stretch fabric, structured bust seams, semi-goth design, high neck choker-like collar with glossy horizontal bands, subtle ornamental dark lace-like detailing near the shoulders and collarbone, sleeves fully fitted, clean garment silhouette, no logos, no wrinkles except minimal contour lines.

[Environment] Plain minimal studio-like background, flat warm gray / taupe solid backdrop, no props, no furniture, no scenery, no depth distractions, empty negative space surrounding the figure.

[Composition/Camera] Vertical portrait, mid-close framing from chest / upper torso to top of head, subject centered, symmetrical balance with slight asymmetry from head tilt, eye-level to slightly lower-than-eye camera angle, clean editorial crop, lots of negative space around shoulders, no hands visible.

[Lighting] Very soft diffuse front lighting, low shadow contrast, beauty-style even illumination, faint shadow under chin and hair, neutral-to-cool light temperature, subtle highlight on lips and eyes, no harsh rim light, no dramatic directional shadows.

[Color palette] Highly restrained palette: black hair, black clothing, pale skin, muted pink blush, soft nude lips, gray-taupe background, tiny silver accent from necklace. Low saturation, polished clean look.

[Style/Rendering] Refined anime-inspired digital illustration, ultra-clean linework, soft cel shading with delicate airbrushed skin rendering, elegant beauty portrait finish, polished editorial character art, not photoreal, not painterly, not 3D, no visible background texture, feminine gothic fashion aesthetic.

[Detail constraints] Do not add extra jewelry, tattoos, hands, props, scenery, text, or additional clothing layers. Keep one subject only, plain background only, blunt black bob haircut, silver cross pendant, deep neckline black top, and soft expression. Maintain the minimal studio composition and clean beauty rendering.

Negative prompt: extra people, hands in frame, heavy background detail, colorful accessories, horns, cat ears, neon lights, smile with teeth, exaggerated makeup, messy hair, curls, blonde hair, realistic photography skin pores, oversized jewelry, extra necklaces, lace gloves, gothic room background, text, watermark.

Suggested parameters: aspect ratio 4:5, lens 70mm portrait feel, shallow but clean depth of field, 28-36 steps, CFG 6-7.5, sampler DPM++ 2M Karras, style strength medium, seed 517204681.

Delta prompt strategy:
1. If the background becomes busy: append "plain taupe-gray seamless studio background, no props, no room details".
2. If the hair changes shape: append "straight jet-black blunt bob with precise full bangs".
3. If the necklace disappears: append "small silver cross pendant centered on upper chest".
4. If the lighting becomes harsh: append "soft beauty lighting, low contrast, evenly diffused".
5. If the outfit becomes generic: append "black long-sleeve cropped bustier with sweetheart neckline and high glossy choker collar".
6. If the face becomes too cheerful: append "half-lidded calm gaze, neutral pout, quiet expression".
7. If colors become saturated: append "restrained monochrome palette with pale skin and muted pink blush only".
8. If hands appear: append "no hands visible, chest-up crop".
9. If the style turns photoreal: append "clean anime beauty illustration, polished linework, soft cel shading".
10. If extra gothic props appear: append "minimal portrait, no candles, no roses, no furniture, no scenery".