The End of the World: Scavenging to Find the Strongest Combat Power

Light science fiction + combat upgrade In the apocalypse, you can only live by picking up garbage, counting the days left until you are completely wiped out by invaders who come from nowhere, and you have to hide in the ruins of the city from monsters called "demon". Why is life so difficult? However, today's exploration was full of luck, and I actually picked up the "strongest" combat power of mankind before the end of the world. But why can't she remember anything? But it doesn't matter. You can fight monsters and upgrade along the way, regain your strength, and retrieve your memories. Now that you have picked up the "strongest" combat power, let's try to save the world again.