full body portrait, 18-year-old African woman standing confidently, deep mahogany skin tone, extremely low body fat, ultra-flat chest, sharply defined washboard abs, visibly pronounced mons pubis emphasized by tight fabric, narrow waist, toned glutes, wearing liquid obsidian micro-dress, seamless second-skin fit, wet-look material stretching taut over pelvis, plunging backless design, high-cut leg openings, thin spaghetti straps, glossy oiled skin sheen, long tightly coiled black hair in high bun, dark brown eyes, sweat droplets on collarbones, nightclub neon lighting, dramatic chiaroscuro shadows, high-fashion eroticism