azula from avatar, 18-year-old beautiful and sexual girl, perfect symmetrical face, full lips slightly parted, toned slim body, perky breasts, nipples, unbuttoned shirt, smooth pale skin, narrow waist, shapely hips, long legs in torn fishnet stockings, wearing only a small leather skirt barely covering her thighs, lace panties, holding an electric guitar, sitting on a large speaker, one hand on the guitar, the other resting on her breast, dynamic pose, titcup, armpit, hand under breast, bent over, seductive expression, confident and provocative posture, dimly lit stage with bright colored spotlights, smoky atmosphere, dark background with scattered equipment, soft shadows highlighting her curves, masterpiece, best quality, highres, photorealistic, ultra-high resolution, perfect skin details, noise-free, cinematic grade quality, HDR, ISO optimized, depth of field.