Responses
http://www.mangago.me/read-manga/otona_keikenchi/
there are other ones but I cant remember, sorry
http://www.mangago.me/read-manga/otona_keikenchi/
http://www.mangago.me/read-manga/koitomo_/
or try some Mishima Kazuhiko works
A seme looking uke and an uke looking seme manga.