A youth Korean novel by Myung Sojeong, who won the Excellence Award at the Everyway web-novel competition. A mystical story about the price of oblivion, the irreversibility of choice, strong friendship, and love that will either save or destroy both. When books start disappearing without a trace at school, high school student Se Wol, responsible for the library, accidentally uncovers a terrible secret.
The popular guy Hae Sung is actually a monster that feeds on other people's memories. To fuel his powers, he devours book stories, but human emotions are far more valuable to him. The demon cannot absorb them without the owner's permission—otherwise, the memories will be lost forever. To prevent further disappearances of books, Se Wol starts a club, hoping to help other students get rid of unpleasant experiences.
Among the club members are those who are trying to escape the pain of unrequited love, cope with the loss of loved ones, or learn to forgive. However, the more Se Wol immerses herself in the world of the story eater, the harder it becomes for her to trust him. What lies in Hae Sung's past and what consequences await those who voluntarily give up their memories?