Depressing Manga

http://www.mangago.zone/read-manga/broken_season_revised/

http://www.mangago.zone/read-manga/sakura_gari/
http://www.mangago.zone/read-manga/hana_no_miyako_de/
http://www.mangago.zone/read-manga/i_am_here_for_you/
http://www.mangago.zone/read-manga/itou_san_kuraka_sui/ it has sequels
http://www.mangago.zone/read-manga/senya_ichiya_shitone_no_himegoto/
http://www.mangago.zone/read-manga/500_nen_no_itonami/
http://www.mangago.zone/read-manga/mods/
http://www.mangago.zone/read-manga/lonely_to_organdy/

Does it matter if it's yaoi? If so then 10 years where I loved you I recommend