1girl, arms at sides, backpack, bag, building, closed mouth, cowboy shot, expressionless, from side, hair bun, long sleeves, looking at viewer, looking to the side, neckerchief, outdoors, pink hair, pleated skirt, purple sailor collar, purple skirt, red neckerchief, sailor collar, school uniform, serafuku, sidelocks, sideways glance, skirt, sky, solo, standing