This manga is about how the seme is getting married. The uke has a thing for the seme, I think they are best friends? The uke tells the seme's wife to be that her ex still has feelings for her and so the wife to be breaks it off with the seme and goes back to her ex. Then the seme was all sad and the uke somewhere in the story admits that he broke off their marriage. The seme then said tha actually made him happy. What manga is this? Please and thank you!

Is it Ashita mo Tanin?

Yup! Thanks a bunch!

No problem! 😁