Try this? http://www.mangago.me/read-manga/mune_ga_kowaresou/
Might not be angsty enough
http://www.mangago.me/read-manga/nii_chan_harada/
http://www.mangago.me/read-manga/tourou_no_ori/
http://www.mangago.me/read-manga/persona_4_dj_the_end_of_the_world/
not sure if this is what you were looking for, but?
http://www.mangago.me/read-manga/hogu_hagyeongsu/
First chapter broke my heart
I can't believe nobody suggested this
http://www.mangago.me/read-manga/lonely_to_organdy/
could someone recommend me some yaoi manga which held such greateast despair that it could barely broke my heart.