When Han Dong descended into the Dead Sea, seeking the origin of the ocean and the accompanying primordial death.
Across several planes, designated as L-081, a large world named "Lighthouse Country" by the Black Tower,
In this world, nations exist dependent on lighthouses,
These lighthouses are not man-made, but generated by the world itself.
As the world expands, the original world lighthouses will be upgraded, and new lighthouses will be born.
The residents of this world, though human in appearance, have a lighting structure growing on their foreheads, known as [Lamp Men].
This inherent cranial structure grants them exceptional sensory abilities.
The Black Tower's urgent notification has already been delivered.
All lighthouses are arranging for important personnel to evacuate to the Black Tower for refuge... The Black Tower has allocated refuge slots, accounting for [20%] of the world's total population.
