U masochist! Just take it!!!
http://www.mangago.zone/read-manga/ohayou_ibarahime/
But in all seriousness tho, this manga is one of my all-time favourites; it's memorable and I really cried in this one (which is rare for me). Hopefully u enjoy it as well ^^
http://www.mangago.zone/read-manga/deep_love_ayu_no_monogatari/
may not be the saddest thing I've ever read, but this shit made me cry a whole lot
They aren't you but enjoy
Note :Read the series of the first one
http://www.mangago.zone/read-manga/deep_love_pao_no_monogatari/
http://www.mangago.zone/read-manga/watashitachi_no_shiawase_na_jikan/
http://www.mangago.zone/read-manga/sea_foam/
I basically cried every chapter.
http://www.mangago.zone/read-manga/orchids_of_endless_nights/
not yaoi but I just read this and it made me cry, sskjsj.
http://www.mangago.zone/recommend-manga/rec_kimi_ga_naita_hi/
Just give me the saddest manga you know.Yaoi or not,I'm in the mood to swim in onions pool.