masterpiece, best quality, ultra-detailed illustration, sharp focus, intricate details, highres, absurdres, 1girl, solo, mature woman, 20 years old, adult female, mature features, beautiful detailed face, symmetrical face, detailed iris, long eyelashes, slight blush, medium length blue-black hair, feathery messy hair, single prominent left-swept red highlight streak on bangs, red streak in black hair, blue eyes with distinctive gear-like pupils with eight grooves, detailed eyes, small breasts, slim waist, narrow hips, slender thighs, toned abs, athletic slim figure, perfect anatomy, detailed anatomy, anatomically correct, beautiful detailed hands, detailed fingers, glossy pale skin, wearing black Adidas tracksuit jacket unzipped and open, revealing black bra underneath, sporty tracksuit pants with white three stripes, Adidas logo on jacket, casual athletic outfit, leaning on metal railing in apartment stairwell, one hand resting on railing, relaxed confident pose, body slightly turned toward viewer, seductive confident expression, lustful eyes, slight smile, dimly lit stairwell, concrete walls and steps, typical Russian apartment building подъезд, metal railing, soft natural light from window above, front three-quarter view, hentai style, detailed anime illustration