2girls, ass_visible_through_thighs, bikini, black_hair, blue_bikini, blue_eyes, blush, breasts, brown_eyes, brown_hair, feet_out_of_frame, flower, hair_flower, hair_ornament, halterneck, isshi_pyuma, long_hair, looking_at_viewer, medium_breasts, medium_hair, misaka_mikoto, multiple_girls, navel, pink_bikini, saten_ruiko, side-tie_bikini_bottom, simple_background, small_breasts, standing, stomach, string_bikini, striped, striped_bikini, swimsuit, teeth, thigh_gap, thighs, toaru_kagaku_no_railgun, toaru_majutsu_no_index, upper_teeth_only, v, white_background, white_flower