http://www.mangago.me/read-manga/razoku_no_hanayome/ (LOT of smut + sumata)
http://www.mangago.me/home/mangalist/26617/ (ONLY lot of smut :P )
umm... what is sumata?
http://www.mangago.me/tag/smut/
you'll love this!
http://www.mangago.me/read-manga/razoku_no_hanayome/
http://www.mangago.me/home/mangalist/82666/
sorry its such a short list but I only recently started on it so yeah
Yaoi with ALOT of smut and maybe sumata? Thanks for the help.