1girl, bare_legs, barefoot, black_background, black_hair, black_wings, blush, bsmage, closed_mouth, feet, floating, hair_ornament, hugging_own_legs, legs, light_particles, long_hair, looking_at_viewer, orange_eyes, project_sekai, shiraishi_an, shorts, sitting_on_water, solo, star_(symbol), star_hair_ornament, toenails, toes, wings