On September 7, 2023, scientists observed the appearance of the second satellite "Blue Moon" near the Earth, emitting a strange blue light and capable of releasing "time sand" that changes the rules of space and time. The blue moon causes time and space to fold, causing the past such as the Steam Age to overlap with the 2023 scene, interspersing with the future world. Time begins to fold under the power of Cthulhu, and time begins to overlap.
- Humanity uses technology to fight divinity, but becomes a slave to machinery.
- The dilemma of saving loved ones or destroying the world
- How to redeem ethical sins committed a hundred years ago in contemporary times
The fatal encounter between steampunk and Cthulhu, a forbidden love where flesh and blood dance with machines, whether to become a human or a god, Lin Mo, who accidentally entered a fold of time, began his journey to find the truth about himself and the universe.
