BL Game no Shujinkou no Otouto de aru Koto ni Ki ga Tsukimashita

A high school boy named Amachi Akira has come to understand that he has been reincarnated into the world of a BL game he enjoyed in his past life. This time, he is the younger brother of the protagonist and finds joy in witnessing his brother's happy ending. However, he is also interested in the fates of the other characters who were left heartbroken. Determined to see them find new love, Akira is thrilled by his new role—until an unexpected event involving an unfamiliar person changes everything. Suddenly, he is thrust into the position of the main character, and the nature of his new life as a reincarnated being takes a surprising turn.