Give me the saddest BL/Yaoi that can make me bawl

can it be non BL?? cuz imo there ain't many sad BL(s) I have read most of them
https://www.mangago.me/read-manga/the_horizon/

http://www.mangago.me/read-manga/dear_gene/

https://www.mangago.me/read-manga/ao_no_flag/
https://www.mangago.me/read-manga/zankoku_na_kami_ga_shihai_suru/
https://www.mangago.me/read-manga/no_6/

https://www.mangago.me/home/mangalist/815165/?filter=&page=3
Specially... Timeless melody and 10 yrs where i loved you the most...

I cried all my tears with Lonely to Organdy

10 years I loved you the most

Thanks Guys(⌒▽⌒)