Masterpiece, best quality, 8k, ultra-detailed, sharp focus, cinematic lighting, semi-realistic anime, my little pony style, anthro pony, equine anatomy, 1girl, adult mare, mature female, curvy build, large breasts, wide hips, thick thighs, plump round butt, Rainbow Dash, sky blue coat, rainbow colored mane and tail, magenta eyes, lightning bolt cutie mark, athletic body, standing in locker room, wet fur, droplets on skin, looking at viewer, confident smirk, slight blush, one hand on hip, background gym lockers, steam, warm overhead lighting, rim light on curves, hyper-detailed anatomy, glossy fur, soft shadows, floating dust particles, solo, seductive atmosphere