In the modern urban background, there are hidden energy tides from other worlds, and changes in the moon phase will affect special biological forms.
Centered on the coastal city "Yungang City", there is a special node "Yue Jian Alley" that connects the human world and the spiritual world.
There are three types of special beings in the world - the Moon Spirit Clan who absorb moonlight and become essence, the Night Watchmen who inherit the ancient bloodline, and the Eternal Life Society who pursue immortality. The story will revolve around the three-party game triggered by the awakening of the cat demon.
