Finally someone who gets it and wanna cry their eyes out. Honestly, I think I might cry too easily so these are the ones which got me in tears the worse. You might have already read these but
Perle (BL)
https://www.mangago.me/read-manga/perle/
Seasons of Blossom
https://www.mangago.me/read-manga/seasons_of_blossom/
And then the other ones that might not make you cry but I found them really sad and I cried a bunch
I have something to tell you
No home
The Horizon
A shoulder to cry on (Shounen ai)
Takopii no Genzai
The summer Hikaru died
Minority (bl)
Hotaru no yomeiri
Muse on fame
Lost in the cloud (Shounen Ai)
Reunion (bl) (tbh didn't make me cry but a lot did so maybe it wasn't for me)
Not blossom (Shounen ai)
Pink
Lovers' kiss
On-going
Yang ilwoo and I
Bad friend
I think I put pretty well-know ones but I hope at least you could give it a try to one or two

The angstiest y'all ever read.i want to cry so bad today so pleaseee recommend meee