
http://www.mangago.zone/read-manga/hinadori_wa_shiokaze_ni_madoromu/ <idk about crying but this one gave me feels~~
http://www.mangago.zone/read-manga/bokura_wa_nando_mo_koi_o_suru/ <A little predictable imo but not a terrible read, made me a little emotional.
http://www.mangago.zone/read-manga/kimi_no_yume_o_mite_iru/ <This one made me cry out not a river but a damn ocean.

http://www.mangago.zone/read-manga/kimi_to_parade/
Sequel http://www.mangago.zone/read-manga/paradise_view/
http://www.mangago.zone/read-manga/bokura_ga_koi_wo_ushinau_riyuu/
Another couple/pairing from that story> http://www.mangago.zone/read-manga/yukidoke_no_koi/ (the second one is )

http://www.mangago.zone/read-manga/zankoku_na_kami_ga_shihai_suru/
This one will definitely make you cry. You read this story where the MC lives such a bad life, but people either does not notice or turn a blind eye. Only yaoi manga that has made me emotional tbh.
any sad and angsty yaoi? the ones that will make you bawls your eyes out like Life Senjou no Bokura