[Machine Translation] Albert, the youngest son of the remote noble Falconer family, has a secret. It is that he is a reincarnation from another world. One day, at the age of 14, he realizes that this world resembles a game he once played in a previous life, but his memories of that game are hazy. However, his memories of the game are vague. In the end, he was a "mob" whose name did not even appear in the game. Al begins to question the meaning of his own existence, and enrolls at the Radford Royal Academy of Magic, where the game takes place...? The first volume of this exciting fantasy, in which an alien mob drives the world crazy, opens in an unpredictable way!