The Mad Mob Characters Unknowingly Destroys the Main Story [MTL]

Albert, the youngest son of the remote noble Falconer family, has a secret - he's a reincarnator from another world. One day, at the age of 14, he realizes that his present life resembles a game he once played in a previous life. However, his memory of that game is vague. Moreover, he was a mob whose name didn't even appear in the game. Al begins to question the meaning of his own existence, and enrolls in the Rad...