Reborn in the Apocalypse, I Only Stock up on Supplies and Don't Save People

Type: rebirth in the apocalypse, survival by stocking up, single female protagonist without CP, decisive killing, online IQ Su Jinnian died once. She died in the hands of her best friend who cared about her heart and soul, and in front of her brother who she desperately protected. They cut open her belly and dug out her core. When she opened her eyes again, she returned to the twenty-three days before the end of the world. This time, she won't save anyone, won't trust anyone, and won't show mercy to anyone. Selling her house, cashing out, hoarding supplies, fortifying the fortress - she used all means just to survive in the coming hell. But when the end of the world really came, she found that everything had changed. Mutants appear early, zombie evolution accelerates, and the memories of the past become waste paper. And the woman who killed her in her previous life was waiting for her to surrender in the ruins with her "good brother". Su Jinnian wiped the blood on the knife and smiled. What are you waiting for? Of course - come to your door. Reading Guide ✓ Single heroine, no CP, focus on career ✓ Be decisive in killing, not holy, not procrastinating ✓ There is a cheat (portable space), but it is limited and not invincible ✓ Online IQ, all villains (except the protagonist) ✓ The details of survival in the apocalypse are realistic and the stocking list is practical [One sentence summary] After being reborn in the apocalypse, I only do two things: stay alive, and send those who deserve to go to hell to hell.