This made me cry so bad https://www.mangago.zone/read-manga/ao_ni_naku/
It’s manga thi
https://www.mangago.zone/read-manga/haru_wo_daite_ita/
you'll love this but it will kill you at the same time. i love this manga but i cant bring my self to re-read this, just like i can't bring myself to watch Banana Fish again.
Perle
This witch of mine (it’s straight but give it a try)
Not BL, but I cried to this one until my throat was sore
https://www.mangago.zone/read-manga/my_broken_mariko/
Bittersweet ending
https://www.mangago.zone/read-manga/tale_of_the_yellow_dragon/
https://www.mangago.zone/read-manga/back_in_time_to_you/
https://www.mangago.zone/read-manga/lifeless_man/
https://www.mangago.zone/read-manga/timeless_melody/
https://www.mangago.zone/read-manga/lucky_letter/
For more sad stuff, check out my sad bitch list
https://www.mangago.zone/home/mangalist/2665396/
Not all of them have sad endings though
Could anyone give me a manhwa (preferably BL) with a sad ending? an ending that will crush my heart, I just wanna cry(っ˘╭╮˘)っ