Responses

this is my favvvv https://www.mangago.zone/read-manga/life_senjou_no_bokura/

This one is short, so not super angsty, but the couple does break up for about a year or two.
https://www.mangago.zone/read-manga/koi_wo_hakaseru_saikou_no_jouken/
Angst. Something like the couple being happy then they break up and meet again years later.
Just finished reading don't mix business with pleasure and I desperately need moreeee.
( I've read rejoice I'm your enemies also )