Doomsday: Building a Floating City from a Hostel

Not the Holy Mother's refreshing article is invincible The apocalypse is coming, and I'm trapped in a girls' dormitory. There are zombies outside. What should I do? Waiting online, urgent! At the critical moment, Li Ang bound the unlimited treasure collection system! ! How to become stronger? Find a way out of this crisis! There is only one way! Bite! Congratulations to the host, you have obtained 30 cubic meters of different space*1! (Unlimited upgrades possible) Ding! Congratulations to the host, you have obtained a special power: neural overclocking! (SSS ability) Ding! Congratulations to the host, you have received the ultimate food gift package! Bite! Congratulations to the host, you got... This book is also called "Brother Li, is there really no problem in doing this?" "You have sympathy, so why don't you save me?" "The end of the world begins, I will kill the Virgin first" The introduction is too weak, please move to the main text.