Yaoi with older seme...and younger uke with interesting plot

http://www.mangago.zone/read-manga/boku_no_mama_chan_43_kaihatsu_nikki/
http://www.mangago.zone/read-manga/yukidoke_no_koi/
http://www.mangago.zone/read-manga/hanagaya_eigyousho_no_kare/
http://www.mangago.zone/read-manga/katakoi_kazoku/

http://www.mangago.zone/read-manga/sumanai_masumi_kun/
sequel: http://www.mangago.zone/read-manga/young_good_boyfriend/

oh sorry i though you said younger seme and older uke

http://www.mangago.zone/read-manga/kokoro_kanda_neko/

http://www.mangago.zone/read-manga/hidoi_otoko_aoi_akira/

http://www.mangago.zone/read-manga/after_morning_love/

http://www.mangago.zone/read-manga/ohana_to_chocolate/