Charlie Fleck, a 29-year-old aspiring videogame designer, is given the opportunity of a lifetime with a time-stopping device given to him by his friend, an eccentric Toy shop owner Gibbs.
When a popular MMORPG is scheduled to be shut down permanently, veteran player Momonga refuses to log out. As NPCs begin to develop personalities and minds of their own he decides to put his skills to use as the game's new overlord.