1girl, black_one-piece_swimsuit, blush, breasts, brown_eyes, brown_hair, competition_swimsuit, cowboy_shot, looking_at_viewer, misaka_mikoto, one-piece_swimsuit, short_hair, simple_background, small_breasts, smile, solo, swimsuit, toaru_kagaku_no_railgun, toaru_majutsu_no_index, tokiwadai_school_swimsuit, white_background, yoo_tenchi