Responses
I think this might be what you're looking for. http://www.mangago.zone/read-manga/sayonara_itoshi_no_my_friend/ but it's the elder brother compared to the younger one.
beta
I think this might be what you're looking for. http://www.mangago.zone/read-manga/sayonara_itoshi_no_my_friend/ but it's the elder brother compared to the younger one.
2 stories, about brothers with different lovers. The younger brother i think in highschool was constantly being compared to his older one. the older brothers story starts off with his coworker confessing to him.