1girl, backpack, bag, beret, black socks, child, cloud, cloudy sky, cross-shaped pupils, day, female child, frown, green eyes, green skirt, hat, long hair, looking at viewer, mushroom, outdoors, paper airplane, pleated skirt, pout, sailor collar, school uniform, shirt, short sleeves, side ponytail, sitting, skirt, sky, socks, symbol-shaped pupils, white sailor collar, white shirt