lf aob manga

A story of fated partners not ending up with each other. Mc is an omega who had his first heat on school, classmates were about to attack him down including his fated partner?? (who didn't noticed at that time) then mcs friend rescued him then they started to be in a relationship. Years later the fated partner if mcs bf came telling him they should be together but bf rejected him causing the nee omega to be depressed. During that time new omega and the fated partner of mc got to know each other and now they're together.