1girl, 1other, beach, bikini, black_bikini, blue_sky, breasts, brown_eyes, brown_hair, cloud, cowboy_shot, day, dragging, halterneck, horizon, k3rd, medium_hair, misaka_mikoto, ocean, open_mouth, outdoors, sky, small_breasts, smile, swimsuit, teeth, thigh_gap, toaru_kagaku_no_railgun, toaru_majutsu_no_index, upper_teeth_only