(masterpiece, best quality, highres, photorealistic), stunning 18-year-old white blonde girl, youthful features, silky smooth fair skin, impossibly slim waist accentuating her perfect curves, perfectly toned abs, extremely large, round, and firm breasts, radiant and flawless complexion, completely naked, bent over in a doggy-style position with her hands gripping the edge of the pool, her back arched sensually, her fully exposed anus stretched deeply and prominently as a massive muscular African man with jet-black skin thrusts powerfully with his enormous, thick, veiny erect penis, (gigantic penis:1), (anal penetration:1.3), the sheer size of his cock creating a dramatic and visible effect in her lower abdomen with each deep thrust, her wet and shaved pussy glistening and clearly visible from behind, the man towering over her with a ripped and dominant physique, broad shoulders, defined chest, massive thighs, his strong veiny hands gripping her hips firmly, his chiseled jawline, sharp cheekbones, piercing dark eyes, and a smirk of dominance, her face slightly turned to the side, her expression radiating overwhelming ecstasy and intense pleasure, her facial features enhanced with large, plump lips, bright, sharp blue eyes with vividly defined pupils and irises, long and luscious natural eyelashes framing her seductive gaze, smooth cheeks flushed with arousal, her hands detailed with exactly five perfectly shaped fingers gripping the edge of the pool tightly, silky golden blonde hair cascading down her back, soft cinematic lighting highlighting her glowing skin, a crowd of onlookers in the background watching with fascination, HDR, ultra-sharp focus, ultra-high resolution, vibrant and dynamic composition.