So you want some twisted yaoi? Check out Yakuza Girl's list http://www.mangago.me/home/mangalist/1603/ xD
If I can suggest some good ones imo:
http://www.mangago.me/read-manga/j_no_subete/
http://www.mangago.me/read-manga/itou_san_kuraka_sui/
http://www.mangago.me/read-manga/dog_style/
http://www.mangago.me/read-manga/tenshi_no_uta_nishida_higashi/
http://www.mangago.me/read-manga/hai_to_diamond/
http://www.mangago.me/read-manga/zion_no_koeda/
Hey, could you recommend me some good manga?! I havent found something good and i allready read a lot soo... Help me please