Library assistant Lin Ye suffers from face blindness, yet at midnight he receives a blank black book titled Sequence. Whenever someone dies under mysterious circumstances, bloody clues appear on its pages. To survive, he is forced to take a potion and step into a world of mysteries. In this age where steam and Lovecraftian horror intertwine, he must face not only monsters spiraling out of control, but also uncover the cyclical curse he bears as the “Observer.” For the ancient gods in the depths of the starry sky are waiting for him to write the final ending.
