https://www.mangago.me/home/mangalist/2978782/ take your pick
https://www.mangago.me/read-manga/madk/
I felt genuinely empty after reading it. I don't even know if empty is a good word to describe it.
https://www.mangago.me/home/mangalist/296381/
These are only some, but I love them.

I want some of the most gut wrenching sad comics u guys have ever read. It can be straight bl gl anything. Please give me some suggestions