1girl, adjusting clothes, adjusting headwear, black eyes, black hair, blush, flat cap, from side, full body, gradient sky, hat, looking at viewer, looking to the side, neckerchief, night, night sky, parted lips, red neckerchief, sailor, sailor hat, shirt, short hair, short sleeves, sky, sleeve cuffs, smile, solo, star sky, starry sky, twilight, white headwear, white shirt