http://www.mangago.zone/read-manga/paradise_view/ Have you read this one?
if you dont mind some webtoons, here are some really good ones
http://www.mangago.zone/read-manga/jazz_for_two/
http://www.mangago.zone/read-manga/december_rain/
http://www.mangago.zone/read-manga/life_senjou_no_bokura/
http://www.mangago.zone/read-manga/nanohana_boys/ not a yaoi or shounen ai!!! but i still highly recommend it because it literary makes me want to cry every time i read it
http://www.mangago.zone/read-manga/king_s_maker/
Any sad yaoi manga recommendations? I’m feeling so sad and crying right now I wanan cry more and more till I feel better