(Slytherin dungeon anal sex scene), (score_9, score_8_up, masterpiece, best quality, highres, photorealistic, ultra-detailed), 1girl, 1boy, Selene Moreau — 20-year-old French Slytherin beauty, tall slim yet curvy feminine body with porcelain pale flawless glowing skin, extremely long voluminous jet-black curly hair cascading down past waist, forehead smooth and high, sharp arched brows, piercing gray-green almond-shaped eyes half-lidded with lust, flushed rosy cheeks, oval elegant face, glossy full lips parted in a moan, white straight teeth visible, long slender neck, straight shoulders, toned slim arms bent forward supporting her body on the bed, manicured nude nails gripping velvet sheets, large natural firm breasts hanging freely with hard nipples, toned flat stomach, narrow waist, wide hips, perfectly rounded ass raised high, smooth shaved pussy glistening with arousal, anus stretched wide. Marcus Veyron — 25-year-old British wizard, tall muscular athletic build with broad shoulders, toned chest, sculpted abs, sun-kissed skin glistening with sweat, short dark brown tousled hair, trimmed beard, strong jawline, deep blue eyes locked on her ass, powerful veiny arms holding her hips tightly, large thick veiny erect cock pressing deep into her anus. Pose and penetration —, (doggystyle:1.3), Selene kneeling on velvet-covered bed with back arched and ass high, legs spread, breasts swaying beneath her, head turned slightly with lustful expression. Marcus kneeling behind, guiding his cock against her tight star-shaped ring, swollen tip spreading it slowly, then pushing inside, (anal penetration:1.3), with visible stretching of the anus, walls clinging around shaft, veins rubbing against sensitive flesh. His thrusts grow deeper and harder, pressing until balls slap against her pussy, her body trembling with each push., (anal sex:1.3), (anus stretch:1.3), detailed texture of anus stretching around thick cock, wet sheen glistening from lubrication and arousal. Background — gothic Slytherin bedroom, stone walls, underwater green light shimmering through arched windows, serpent banners, flickering candlelight, cinematic HDR moody lighting, ultra-detailed anatomy, realistic penetration rendering, fluids and skin textures
