1girl, arm up, black ribbon, black thighhighs, blue eyes, blush, brown hair, brown skirt, buttons, closed mouth, glint, gold, gold bracelet, grass, hand on own chest, hand up, knees up, light smile, long sleeves, looking at viewer, looking to the side, lying, medium hair, nebula, neck ribbon, night, night sky, official alternate hairstyle, on back, on grass, on ground, outdoors, over-kneehighs, ribbon, river, shirt, skirt, sky, skyline, solo, star sky, starry sky, thighhighs, water, white shirt, zettai ryouiki