1girl, solo, breasts, looking_at_viewer, blush, smile, short_hair, open_mouth, blue_eyes, black_hair, hair_ornament, swimsuit, ahoge, :d, small_breasts, outdoors, sky, day, hairclip, cloud, armpits, blue_sky, one-piece_swimsuit, from_below, school_swimsuit, blue_one-piece_swimsuit