1girl, arm_behind_head, armpits, arms_up, bad_pixiv_id, bare_arms, bare_shoulders, black_one-piece_swimsuit, blonde_hair, blue_sky, blush, breasts, cleavage, cloud, collarbone, competition_swimsuit, covered_navel, cowboy_shot, day, green_eyes, groin, hair_between_eyes, large_breasts, long_hair, looking_at_viewer, ocha_no_mae, one-piece_swimsuit, original, outdoors, parted_lips, sky, smile, solo, standing, sunlight, swimsuit, water