nanairo (nanairo227), nishiura sora, 22/7, highres, 1girl, aqua eyes, aqua hair, arms behind back, artist name, black bow, black bowtie, black hair, black skirt, bow, bowtie, closed mouth, collarbone, cowboy shot, from side, gradient hair, green shirt, long hair, long sleeves, looking at viewer, looking to the side, multicolored hair, plaid clothes, plaid skirt, pleated skirt, rokubanchou school uniform, sailor collar, school emblem, school uniform, serafuku, shirt, skirt, smile, solo, standing, two side up, white sailor collar, winter uniform