2girls, bag, black hair, black skirt, blue sky, bolo tie, cloud, coat, day, faceless, faceless female, grass, long hair, long skirt, long sleeves, looking ahead, lying, multiple girls, nature, on back, on grass, open clothes, open coat, outdoors, outstretched arms, pink hair, pleated skirt, red shirt, school bag, school uniform, shirt, siblings, sisters, skirt, sky, spread arms, standing, untucked shirt