Darkness falls, the world falls into eternal night, and monsters called "Whisperers" hunt humans in the shadows. Among the survivors, a few have awakened strange abilities related to their hearts. Gu Yunzhou, a former librarian, awakened the ability to "read" the past and weaknesses of all things. Relying on this seemingly useless skill, he struggled to survive, protect his companions, and tried to uncover the truth about the fall of eternal night.
