Jongsuk represents the height of mediocrity, possessing nothing to his name save for his fondness for reading. One day, he discovers a mysterious book at his favorite used bookstore. The book "tells" him to write about his experiences in its blank pages, and in exchange, it reveals related information. Unbeknownst to him, the passages Jongsuk reads from books transfer directly into his system, granting him new abilities he never imagined possible.