‘World Pia’, a game you can enjoy as if you were experiencing it yourself using brain waves! A grim reaper who is not interested in the new era tries to guide the soul of A-Jin Choi, a girl who died of a heart attack during the game. However, the soul has already disappeared from her body found by the Grim Reaper…! The Grim Reaper, who has suffered from being deceived by humans for over 500 years, is bewildered by what humans have done again, and then a strange chain comes out and binds him and is forcibly taken to World Pia. A fantasy world unfamiliar to the grim reaper who hates humans and knows nothing about games! Can the Grim Reaper escape from this strange place?