Responses
Try this one
https://www.mangago.me/read-manga/nth_romance/
Not sure If you'll like the ending though
This but not really..
https://www.mangago.me/read-manga/10th_you_and_i_fell_in_love_with_the_same_person/

Pls can someone recommend me anything where the mc relationship didn't work out even tho they loved each other. More likely a realistic ending but no one died. And also they didn't found someone else, they focus more on
healing or loving themselves. I love angst ><