can someone recommend me some hard yaoi manga, thanks ლ(´ڡ`ლ)

http://www.mangago.me/home/mangalist/157766/
http://www.mangago.me/home/mangalist/527/
http://www.mangago.me/home/mangalist/94837/

http://www.mangago.me/read-manga/nemuri_otoko_to_koi_otoko/
http://www.mangago.me/read-manga/yatamomo/
http://www.mangago.me/read-manga/yarisugi_party_night/
http://www.mangago.me/read-manga/dos_obake_ga_nekasetekurenai/
http://www.mangago.me/read-manga/hang_out_crisis/
http://www.mangago.me/read-manga/window_beyond_window/?av=1
http://www.mangago.me/read-manga/otoshiana_ni_hamerarete/
http://www.mangago.me/read-manga/caste_heaven/

thanksssssssssssssss ε=ε=(ノ≧∇≦)ノ