Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'... Born in the history of human civilization, possess mysterious and magical powers in another world! Original sin, biological evolution, mastery of all arts... By reading the secret tomes, one can gain a variety of powers! The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth. At this time, there comes a librarian from Earth...
[BL] Zak, a 22-year-old college student who loved reading fantasy fiction, had a particular favorite novel: "Destiny awaits you." Its mind-bending twists and heart-wrenching ending left him angry, seeking the author for answers. As he closed the book, his heart throbbed, plunging him into darkness. The next moment he opened his eyes, he was greeted by an unfamiliar surrounding, along with an unfamiliar body. He already had a feeling he knew what was happening but he had to run to a mirror and confirm, and when he did, his worst fear came to life. "This...is not my body." He had transgressed into someone else's life, and it wasn’t even anyone important, but a mere side character who dies at the second chapter of the novel!