my favs (lots of angst):
http://www.mangago.me/read-manga/kokoro_o_korosu_houhou/ (its complete, warning:incest)
http://www.mangago.me/read-manga/tamayura_yuki_ringo/
http://www.mangago.me/read-manga/kyuuso_ha_cheese_no_yume_omiru/ (and the sequel: http://www.mangago.me/read-manga/sojou_no_koi_wa_nido_haneru/ )
http://www.mangago.me/read-manga/smells_like_green_spirit/
tragedies that i love:
http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/let_dai/ (hmm the ending kinda happy but everything else isnt/ doesnt feel like reading yaoi but its definitely worth ur time cause the plot is amazing)
http://www.mangago.me/read-manga/birthday/ (just really sad :'()
http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/warui_yume/
http://www.mangago.me/read-manga/sasayaku_no_wa_sono_yubi/
http://www.mangago.me/read-manga/deep_flower/
http://www.mangago.me/read-manga/yajirushi/
http://www.mangago.me/read-manga/the_gospel/
http://www.mangago.me/read-manga/dear_crazy_monster/
http://www.mangago.me/read-manga/killing_stalking/
http://www.mangago.me/read-manga/okane_ga_nai/
http://www.mangago.me/read-manga/to_take_an_enemy_heart/
http://www.mangago.me/read-manga/maiden_rose/
http://www.mangago.me/read-manga/mob_for_jack/
http://www.mangago.me/read-manga/ze/
http://www.mangago.me/read-manga/life_senjou_no_bokura/
http://www.mangago.me/read-manga/you're_my_loveprize_in_viewfinder/
http://www.mangago.me/read-manga/freezing_flame/
http://www.mangago.me/read-manga/nureru_karada/
http://www.mangago.me/read-manga/zetsuai/
http://www.mangago.me/read-manga/bronze/
http://www.mangago.me/read-manga/warehouse/
Everything will kill you in so many different ways
Please hit me up with some straight (pfft, no) up painful yaoi manga that could instantly kill me.