i am looking the name of a yaoi manga that i read a long time ago. The manga is about a guy who lives in the country and he lives with his grandparents and he is also in love with his friend. And the boy's grandparents tell him about his mother so he leaves and goes to the city and ends up staying with his college sempai and his roommate. And while staying there he ends up finding out that the guy who he is in love with and his college sempai used to be in a sexual relationship and that his mother is still alive , that his sempai's roommate is in love with his sempai. plus his best friend ends up showing up to find him . well thats all i can remember about the manga so if u can help me figure out the name of this manga then thankx

It's Boku ni Datte Iibun ga Aru.

thankx