royal servant is like this- but the story itself is thrilling as well (more than one couple)
http://www.mangago.zone/read-manga/royal_servant/?av=1
also (I think) http://www.mangago.zone/read-manga/hana_to_junketsu/
mhh this too. the story starts after uke run away bec. seme is a jerk and only wants sex with uke and others. later he realize how much he loves our uke
http://www.mangago.zone/read-manga/aishuu/
I really like this one (more angsty, dark) first seme is a jerk it seems he only use the uke but it change more and more
http://www.mangago.zone/read-manga/koi_no_mannaka/
of course this
http://www.mangago.zone/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/
this fits too (I think)
http://www.mangago.zone/read-manga/desire/
http://www.mangago.zone/read-manga/happy_ending_kuso_kurae/
maybe http://www.mangago.zone/read-manga/junjou/
Any yaois like bj Alex? Where uke likes seme, seme just wants sexs but find him attractive and then falls for the uke?