http://www.mangago.me/read-manga/caste_heaven/ (the works of this mangaka)
http://www.mangago.me/read-manga/sora_o_daite_oyasumi/
mmmmmim not sure ... but maybe:
http://www.mangago.me/read-manga/samenai_yume/
http://www.mangago.me/read-manga/acid_flower/
http://www.mangago.me/read-manga/bannin/
http://www.mangago.me/read-manga/brother_x_brother/
http://www.mangago.me/read-manga/corsair_eigetsu/
http://www.mangago.me/read-manga/gin_no_kajitsu/
http://www.mangago.me/read-manga/saezuru_tori_wa_habatakanai/
Im still reading this but it contains a lot of s&m and rape. (maybe you already this) here : http://www.mangago.me/read-manga/you_re_my_loveprize_in_viewfinder/
I read to much fluffy yaoi manga.. please guys help me and recommend me yaoi manga where the uke got rape by the seme till he passed out but although he passed out the seme still doing him or any pshycological manga that can make your heart throb throb ~~~☆ thanks in advancee c: