1girl, bangs, bikini, black_hair, breasts, cleavage, clothes_writing, cowboy_shot, eyebrows_visible_through_hair, medium_breasts, multicolored_hair, navel, outdoors, pixiv_id, purple_eyes, red_bikini, red_hair, red_swimsuit, short_hair, sky, smile, solo, streaked_hair, swimsuit, twitter_username