emm is there any yaoi manga where the seme is a monster? XD i mean not a human form but th...

This compilation of stories has some like that and some that are similar
http://www.mangago.zone/read-manga/kemono_jingai_bl/

ah thank you very much XD i am reading it now and it is quite interesting XD

http://www.mangago.zone/read-manga/meikon/ (seme seems human, but later we find out what he is ^^ don't want 2 spoil it)

http://www.mangago.zone/read-manga/akuma_to_issho/ (short but really good)

http://www.mangago.zone/read-manga/tiger_bunny_dj_itazura_shiyouka_bunny_chan/ (kind of temporarily non human, really funny and even has a cute ending)

http://www.mangago.zone/read-manga/neko_mata/ (2 humans and one monster kitty ^^)

http://www.mangago.zone/read-manga/wild_wind/ (gods Love)

http://www.mangago.zone/read-manga/kami_sama_no_iutoori_moegi_yuu/ (god loves a Human)

wow thx XD i really like the first one.. it has sweet love ... even my heart is doki doki :v tyvm XD

http://www.mangago.zone/read-manga/yamiiro_no_aijin/ (vampire!!! Just read and its awesome)

oh im already read this one XD i really love dean he is so cool XD

I have list but it mixes up with Seme/Uke.
Here.. if you wanna check it out.
http://www.mangago.zone/home/mangalist/1491/

ah its ok XD Thanks XD

koketsu dining!! cute story abt some tiger-looking wrestler and a human guy who works as a host!!!