masterpiece, best quality, 8k, ultra-detailed, sharp focus, my little pony style, pony, quadruped, equine anatomy, hooves, muzzle, 1girl, Princess Luna, dark blue coat, flowing ethereal starry mane, cyan eyes, adult mare, lying on her stomach on a dark satin bed, rear view, extreme close-up on plump round ass, hooves spread apart, exposing wet pussy and tight anus, magical glowing tentacles from her horn penetrating both holes simultaneously, double penetration, thick creamy cum and lube dripping, looking back over shoulder with half-lidded eyes, deep blush, open mouth with drool, ahegao expression, background moonlit gothic chamber, cool purple volumetric lighting, rim lights on glossy fur, shallow depth of field, hyper-detailed