The protagonist is reincarnated. However, the world he was reborn into was that of an RPG he had played extensively in his previous life.

It came complete with gods, magic, an evil empire, and all the usual elements.

As he continued his life there, he realized that he hadn't merely been reincarnated into an RPG world, but specifically as Jiratt, a villain who appears in the game.

Jiratt, an executive of the evil empire, is destined to be killed by the hero if the story progresses as planned.

To avoid this ruinous fate, the protagonist, now Jiratt, makes full use of his game knowledge from his previous life and defies the original storyline!