Horror yaoi

Bannin , or Haru ni kaeru ( the second story )

"Samenai Yume" is a pretty creepy yaoi IMO. And if you are alright with non-bl with just 2 guys then you might like "Sugiru Juunana No Haru" by Ono Fuyumi.
http://www.mangago.zone/read-manga/samenai_yume/
http://www.mangago.zone/read-manga/sugiru_juunana_no_haru/

Try this but it's not complete（￣へ￣）
http://www.mangago.zone/read-manga/notpia/
We truly need more of that killer mix (YaoiXHorror)
Maybe hum check this too but it's not BL, lots of readers ship AmayaXShun haha (the 2 main characters)
http://www.mangago.zone/read-manga/kamisama_no_iutoori_fujimura_akeji/
part 2 http://www.mangago.zone/read-manga/kamisama_no_iutoori_ii/

http://www.mangago.zone/read-manga/nemureru_tsuki/
http://www.mangago.zone/read-manga/to_the_sea/
http://www.mangago.zone/read-manga/teirui_makura/ - Ch.2-3 Horror Vampire
http://www.mangago.zone/read-manga/haru_ni_kaeru/tr/172001/page/
http://www.mangago.zone/read-manga/arrested_man/ - Pg.113

I just finishes bannin and omg! Thanks to everyone who responded! (●'◡'●)ﾉ