Rule 34 Dev - 10s 2017 2girls bare_legs bare_shoulders barefoot bath blush brown_eyes brown_hair clone collarbone early_teens female flat_chest full_body gekota happy highres kneeling legs looking_at_another matching_hair/eyes misaka_imouto misaka_mikoto multiple_girls naked_towel official_art one_eye_closed onsen open_mouth outdoors partially_submerged short_hair sitting smile steam teenage teenage_girl to_aru_kagaku_no_railgun to_aru_majutsu_no_index toes towel towel_on_head water water_gun wet|3787716043