The smuttiest yaoi manga you have ever read. Preferably with a good art too! If you know s...

All Zaria manga are very smutty ლ(´ڡ`ლ)

http://yaoi18.com/fakers-affair-eng/

http://yaoi18.com/fakers-affair-2-eng/
+ there is a short extra on Baramangaonline

Trap, Kuroneko series, Mujihi series, Elektel delusion, Gamushara Kuroko no basket dj,
http://www.mangago.zone/read-manga/gintama_dj_where_is_your_switch/
http://www.mangago.zone/read-manga/toshishita_kareshi_no_renai_kanriguse/
http://www.mangago.zone/read-manga/eroman_kami_to_pen_to_sex_to/
http://www.mangago.zone/read-manga/escape_from_the_night/
http://www.mangago.zone/read-manga/yatamomo/
http://www.mangago.zone/read-manga/kinbaku/
http://www.mangago.zone/read-manga/kalimeris_porno/
http://www.mangago.zone/read-manga/mou_ichido_nando_demo/
http://www.mangago.zone/read-manga/futari_no_musuko_ni_nerawarete_imasu/
http://www.mangago.zone/read-manga/boku_no_mama_chan_43_kaihatsu_nikki/
http://www.mangago.zone/read-manga/kaikan_massage/

http://baramangaonline.com/eng-penguin-frontier-fstudio-%e3%82%a8%e3%83%95%e3%83%bb%e3%82%b9%e3%82%bf%e3%82%b8%e3%82%aa/

the art is purfect too ٩(๑❛ᴗ❛๑)۶