You didn't specify the genre so i'll recommend random ones:
Club Sodom: http://www.mangago.me/read-manga/club_sodom/
An Innocent Sin: http://www.mangago.me/read-manga/an_innocent_sin/
Make Me Bark: http://www.mangago.me/read-manga/make_me_bark/
Window Beyond Window: http://www.mangago.me/read-manga/window_beyond_window/
Household Affairs: http://www.mangago.me/read-manga/household_affairs/
Pervert Club: http://www.mangago.me/read-manga/pervert_club/
Bastard's Dead Man: http://www.mangago.me/read-manga/bastard_s_dead_man/
I have more but i'm lazy.
All the manga's by Zariya Ranmaru. Here's a link for one
http://www.mangago.me/read-manga/nemuri_otoko_to_koi_otoko/
LOOKING FOR A HOT AND SMUTTY YAOI/MANHWA/MANHUA