masterpiece, best quality, 8k, ultra-detailed, semi-realistic anime, my little pony style, anthro pony, equine anatomy, 3girls, Princess Luna, Nightmare Moon, Rarity, adult mares, dark blue, black, and white coats, flowing ethereal manes, all standing side by side, rear view, extreme close-up on plump round buttocks, hooves spreading their own buttocks open, exposing detailed wet pussies and tight anuses, no clothing, nude, looking back over shoulders at viewer with half-lidded eyes, deep blushes, smug smirks, background royal bedroom with moonlight and candles, low angle, shallow depth of field, rim lighting on curves, glossy sweaty fur, hyper-detailed anatomy, soft shadows, volumetric lighting, sharp focus on spread genitals