the first ever yaoi that made me cry.. http://www.mangago.me/read-manga/yatamomo/
┗( T﹏T )┛
Tottaly "cut"
you will cry alot-- thank me later
most heartbreaking stories in my opinion:
http://mangago.me/read-manga/lovers_doll
http://mangago.me/read-manga/itou_san
http://mangago.me/read-manga/nanadome_no_gomenne
http://mangago.me/read-manga/paradise_view
enjoy ^^
http://www.mangago.me/read-manga/kimi_no_kanaderu_hikari/
http://www.mangago.me/read-manga/boys_love/
http://www.mangago.me/read-manga/nanadome_no_gomenne/
http://www.mangago.me/read-manga/cut/
http://www.mangago.me/read-manga/sora_o_daite_oyasumi/ (this one's my favorite)
http://www.mangago.me/read-manga/hana_no_miyako_de/ (and this one)
http://www.mangago.me/read-manga/mods/
http://www.mangago.me/read-manga/sorekara_kimi_wo_kangaeru/
some of these have a happy ending but still sad i guess, depends on what you find sad :)
http://www.mangago.me/read-manga/bokutachi_futari_ga_koisuru_riyuu/
http://www.mangago.me/read-manga/inu_to_tsubame/
http://www.mangago.me/read-manga/eien_no_aida_ni_miru_yume/
http://www.mangago.me/read-manga/meiou_hades/
http://www.mangago.me/read-manga/kirie/
http://www.mangago.me/read-manga/pure_dakkang/

does anyone knows a sad (yaoi) kind of story?