Ten years after the disaster, the zombie virus caused by Red Rain swept the world, animals and plants mutated wildly, and human civilization nearly collapsed. The survivors are huddled in major bases, using super-powered crystal cores as hard currency. The law of the jungle is the only law of survival. Viruses, hunger, fighting, and mutated beasts are daily life. The lives of ordinary people are like grass. At this time, the stars are coming.
