Humans, fallen from the top of the food chain, are reduced to ants, forced to compete for food with rats and ants, struggle for survival under the claws of cats, ride cockroaches as airplanes, and fight with large birds… To eat or to be eaten, one can only choose one, and Xing Zhao's choice is to eat! [Sea of ​​Stars]

In a wasteland world devastated by natural disasters, the surviving human civilization has huddled in a corner, gasping for breath for a century. Faced with a heavily polluted environment, powerful mutated creatures, rampant undead, and mysterious witches... what will become of the mercenaries who have inexplicably turned into beautiful girls?