1girl, ass, backless_swimsuit, bare_shoulders, blonde_hair, blue_eyes, blue_one-piece_swimsuit, blue_sky, blush, casual_one-piece_swimsuit, cordelia_(machine_child), cowboy_shot, day, flat_chest, hair_bobbles, hair_ornament, looking_at_viewer, looking_back, machine_child, one-piece_swimsuit, open_mouth, outdoors, oyari_ashito, plant, sand, shore, short_hair, sky, smile, solo, sunlight, swimsuit, twintails, water, waterfall