
http://www.mangago.zone/read-manga/sumomo_harada/
http://www.mangago.zone/read-manga/suimenka/
http://www.mangago.zone/read-manga/boys_love/
http://www.mangago.zone/read-manga/the_inheritance_of_aroma/
http://www.mangago.zone/read-manga/mizu_no_ue_no_tsuki/
http://www.mangago.zone/read-manga/natsujikan/
...
if you feel like crying shonen-ai
http://www.mangago.zone/read-manga/500_nen_no_itonami/
enjoy your heartbreak :)

you are welcome :)
one more that I really love - just be warned about the side story!!!!!...its scary, horror BDSM
http://www.mangago.zone/read-manga/itou_san_kuraka_sui/

Here you go
http://www.mangago.zone/home/mangalist/215/

http://www.mangago.zone/home/mangalist/57857/
Try the ones marked with , specially the 1st one.
I'm really wanting to read a sad yaoi. Can anyone recommend a really good heartbreakingly sad yaoi. I don't care if it is happy at the end or if the ending is still bittersweet I just need some feels.