Rule 34 Dev - 00s 2008 4girls bare_shoulders bath bathhouse blush breasts brown_eyes brown_hair cleavage collarbone completely_nude completely_nude_female early_teens english_text female finger_to_mouth green_eyes haimura_kiyotaka highres index indoors itsuwa long_hair matching_hair/eyes misaka_mikoto multiple_girls naked_towel navel non-web_source novel_illustration nude nude_female o_o official_art open_towel partially_submerged pool purple_hair short_hair shushing silver_hair small_breasts steam teenage teenage_girl to_aru_kagaku_no_railgun to_aru_majutsu_no_index towel towel_on_head translated water wet yellow_theme|3570065161