Responses
https://www.mangago.zone/read-manga/the_deepest_confession/
Is it this one?
Could also be this one. Be prepared with some tissues and water. It makes me full on ugly cry every time I read it.
https://www.mangago.zone/read-manga/life_senjou_no_bokura/

Ik that the mc and ghe ml were friends in high school and the mc had feeling for ml. But the ml got married and didn’t tell the mc. He got really sad and cut contact. After several years the ml gets divorced and goes to find the mc when he decides to go on vacation and he follows him. That’s basically I remember,
Plz help