Recommend me any good bl where I get to see strong seme to cry because of longing for uke

You can check the tag "crybaby seme"
But I like these:
https://www.mangago.me/read-manga/grieving_you/
https://www.mangago.me/read-manga/dawn_of_the_dragon/
https://www.mangago.me/read-manga/non_refundable_alpha/

https://www.mangago.me/read-manga/life_senjou_no_bokura/
Cocoon of the Heart
Heart Stain
My starry sky

from points of three