(masterpiece, best quality, highres, photorealistic), an 18-year-old Helga Sinclair from Atlantis, The Lost Empire, bent over and having sex in a doggy-style position with a massive muscular man possessing an enormous, thick, veiny cock, (gigantic penis:1.1), her tight, wet vagina, (vaginal penetration:1.5), visibly stretched with each deep thrust, her sharp, seductive facial features flushed with arousal, (piercing blue eyes:1.3), detailed with reflective highlights, (long curled eyelashes:1.2), (thin, arched blonde eyebrows:1.2), smooth pale skin with a subtle golden glow, (full, luscious red lips slightly parted:1.3), revealing perfect white teeth and a soft moan, her sculpted cheekbones and defined jawline emphasized by the soft industrial lighting, her platinum blonde hair styled in a loose, messy updo with strands falling around her face, her iconic form-fitting dark blue military uniform partially undone, revealing her, (large, round, firm breasts:1.3), tight leather gloves on her hands gripping the cold metal surface of a control panel, her uniform skirt lifted high, exposing her firm, muscular buttocks and toned thighs, her back deeply arched, her legs slightly spread for balance, trembling under the intensity of his thrusts, the man behind her gripping her hips firmly, his chiseled torso flexing as he moves, veins bulging on his enormous cock, her glistening pussy stretched and visibly accommodating his size, the industrial military base setting filled with dim, flickering lights, exposed pipes, and complex machinery, soft golden spotlights casting highlights on their bodies, metallic walls and steel flooring reflecting subtle shadows, ultra-detailed textures of fabric, skin, and metal, cinematic composition, smooth focus, realistic depth, HDR, natural and balanced tones, avoiding excessive contrast while maintaining lifelike realism, capturing the intensity and raw passion of the moment., ,