He Mian, a college student who has social anxiety, clears his favorite game for the 100th time. Gareth, the devil of the game, accidentally transmigrates into the modern world where He Mian is. He Mian is determined to return the devil back to the game as soon as possible. In order to get rid of Gareth's pranks and entanglements, the two must collect magical artifacts from the game which have been scattered across the world. Note: Includes 12 extra chapters.