In the era of chaos, the ubiquitous war has torn Blue Star apart, and Blue Star is like a god's breeding farm.
Hundreds of years ago, a large-scale epidemic suddenly began to break out in Blue Star. Immediately afterwards, countless small void worlds called secret realms appeared. Various natural disasters continued, including floods, earthquakes, tsunamis, typhoons... Most of the population died in natural disasters and epidemics. When the disaster stopped, the misfortune did not end...
The invasion of ferocious beasts, the conflict between Blue Star evolved creatures and humans, the risk of eating seals, internal and external troubles, the emergence of non-violent pet control...
