http://www.mangago.zone/read-manga/behind_the_desk/?YPlj
http://www.mangago.zone/read-manga/my_purrfect_boss/
http://www.mangago.zone/read-manga/viewfinder_ez/
Try these they are pretty good for when a seme is a main character.
http://www.mangago.zone/read-manga/room_to_room/
http://www.mangago.zone/read-manga/nirameba_koi/
http://www.mangago.zone/read-manga/ore_to_joushi_no_kakushikoto/
http://www.mangago.zone/read-manga/ore_no_kirai_na_senpai/
http://www.mangago.zone/read-manga/sadistic_madness/
http://www.mangago.zone/read-manga/pornographer/
http://www.mangago.zone/read-manga/focus_nishi_noriko/
http://www.mangago.zone/read-manga/not_for_the_faint_of_heart/
http://www.mangago.zone/read-manga/monokuro_limit/
http://www.mangago.zone/read-manga/kasa_no_shita_futari/
http://www.mangago.zone/read-manga/on_doorstep/
http://www.mangago.zone/read-manga/suki_nante_iwantoite/
Can someone recommend me some yaoi or shounen ai manga that the MC is the seme not the uke....(づ￣ ³￣)づ