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, sporty tracksuit jacket and pants with white three stripes on sleeves and legs, Adidas logo on chest, casual athletic outfit, sitting on concrete steps in apartment stairwell, legs bent, relaxed sitting pose, one hand resting on knee, 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