2girls, :d, ^_^, ascot, bat_wings, closed_eyes, comic, fangs, greyscale, happy, hug, milky_way, monochrome, multiple_girls, night, night_sky, no_hat, no_headwear, open_mouth, outdoors, short_hair, siblings, side_ponytail, sisters, sky, slit_pupils, smile, star_(sky), starry_sky, wings, wrist_cuffs