Rule 34 Dev - 1girl alternate_costume armpits ass_visible_through_thighs bed_sheet bikini blush brown_eyes brown_hair collarbone early_teens embarrassed female frilled_bikini frills hair_ornament hairclip highres kamiko_to_seiryoku looking_at_viewer lying matching_hair/eyes misaka_mikoto navel official_alternate_costume on_back polka_dot polka_dot_bikini short_hair solo stomach swimsuit teenage teenage_girl thighs to_aru_kagaku_no_railgun to_aru_majutsu_no_index|4273760344