http://www.mangago.me/read-manga/ai_o_kou_kemono/
http://www.mangago.me/read-manga/sora_o_daite_oyasumi/
http://www.mangago.me/read-manga/samenai_yume/
http://www.mangago.me/read-manga/double_mints/
http://www.mangago.me/read-manga/tadayoedo_shizumazu_saredo_naki_mo_sezu/ (prequel to Saezuru Tori wa Habatakanai)
http://www.mangago.me/read-manga/innocent_blue/
http://www.mangago.me/read-manga/the_inheritance_of_aroma/
http://www.mangago.me/read-manga/sasayaku_no_wa_sono_yubi/
http://www.mangago.me/read-manga/yume_yume_shinjuu/
http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/deep_flower/
http://www.mangago.me/read-manga/boys_next_door/
http://www.mangago.me/read-manga/let_dai/
Most of Harada's works.
http://www.mangago.me/home/mangalist/57857/
(specially the ones with *WARNING*)
Can anyone recommend me any yaoi manga with twisted fucked up story it leaves a bad taste in your mouth? Thanks :))