Responses
Oh god why do I know so many
http://www.mangago.me/read-manga/moonlight_howling/
http://www.mangago.me/read-manga/my_suha/?ZA12
http://www.mangago.me/read-manga/on_or_off/?fHuD
http://www.mangago.me/read-manga/king_s_maker_triple_crown/
http://www.mangago.me/read-manga/aplicaci_n_humillante/
some of these might not be fainting but god they were intense
A yaoi manga where the seme and uke have sex all night long untill the uke faint or just can't move anymore