yes
A couple.
http://www.mangago.me/read-manga/after_the_curtain_call/
http://www.mangago.me/read-manga/opium/
http://www.mangago.me/read-manga/ghosts_of_greywoods/
http://www.mangago.me/read-manga/lilith_sirius/
http://www.mangago.me/read-manga/sadistic_beauty_side_story/
http://www.mangago.me/read-manga/mojito/
http://www.mangago.me/read-manga/club_katoto_chan/
http://www.mangago.me/read-manga/program_me/
http://www.mangago.me/read-manga/words_kisses/
http://www.mangago.me/read-manga/pan_focus/
http://www.mangago.me/read-manga/would_you_could_you/
http://www.mangago.me/read-manga/approximate/
http://www.mangago.me/read-manga/what_does_the_fox_say/
http://www.mangago.me/read-manga/pet_s_aesthetics/
http://www.mangago.me/read-manga/lit_a_light/
http://www.mangago.me/read-manga/onna_tomodachi_to_kekkon_shitemita/
http://www.mangago.me/read-manga/fu_fu/
http://www.mangago.me/read-manga/i_wouldn_t_mind_being_loved/
http://www.mangago.me/read-manga/hitogoto_desukara/
http://www.mangago.me/read-manga/crescent_moon_and_doughnuts/
Kind of sick and tired of reading manga about teenage girls... do you know any yuri with older women in it?