Can anyone suggest a sad manhwa

BL:
http://www.mangago.zone/read-manga/spring_snow_odongtong/
http://www.mangago.zone/read-manga/not_for_the_faint_of_heart/
http://www.mangago.zone/read-manga/banana_fish/
http://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/

Hetero:
Days of Hana (read on webtoons)
How I found it in July - it is not letting me provide the link but is available on mangago
My Boo (webtoons)

Little to no romance/friendships:
http://www.mangago.zone/read-manga/an_uncomfortable_truth/ (the ending is tragic)
http://www.mangago.zone/read-manga/a_lollipop_or_a_bullet/

Use this tag:
http://www.mangago.zone/tag/sad/
http://www.mangago.zone/tag/tragedy/
http://www.mangago.zone/tag/heartbreaking/

http://www.mangago.zone/read-manga/the_friendly_winter/
http://www.mangago.zone/read-manga/can_t_see_can_t_hear_but_love/
http://www.mangago.zone/read-manga/the_specific_heat_capacity_of_love/
http://www.mangago.zone/read-manga/i_will_be_waiting_for_you_in_1999/

TEARJERKER
list is a collection of
 • happy ending
 • bittersweet
 • sad/tragic
http://www.mangago.zone/home/mangalist/636848/

i recommend this for quick read
#006 http://www.mangago.zone/read-manga/paradise_view/
#019 http://www.mangago.zone/read-manga/hypnosis_mic_hoshi_ni_naru_made_doujinshi/

mangas #001-009 have happy endings. the rest are bittersweet or tragic

Follow the list to be updated. And if you liked the mangas/manhwas I included, please do recommend. Enjoy~ (人 •ᴗ•)