best quality, masterpiece, highres, ,firefly \(honkai: star rail\), 1girl, solo, long hair, smile, blue eyes, closed mouth, looking at viewer, outdoors, bangs, long sleeves, hair ornament, hairband, hair between eyes, cloudy sky, turquoise cape, blue sky, star \(sky\), night sky, white hair, full body, white shirt, viewed from side, flowing white skirt, revealing thighs, standing