A man who has nothing, freedom chained, and happinness unsought. An empty void.

Rio, a part time editor of a novel called The Last Stand. Transmigrated inside the novel as a professor. 

A professor that was not even mentioned in the story. He was an extra that had no part in any events.

Armed with the advanced knowledge of the future, he will do whatever it takes to survive in the world of gruesome fantasy.

However, is surviving really his goal?