No system
Something strange comes to Wanfu Community, and He Gan is forced to live with a mother and daughter.
Meanwhile the rules keep coming. ID cards appear in residents' homes, and tasks that must be completed are hidden in the rules.
The hand stretched out from the piano... The viewing pool that attacks people... The unknown object in the gashapon machine at the convenience store... The flesh and blood on the plate... The night walkers wandering around the neighborhood...
In the four unit buildings, the lights are dark and the people are out.