The End of the World: the System Doesn't Mess with Me

Full text: [Apocalypse + Zombies + System + Infinite Space + Little Days of Death] Early stage: [Survival + Gou + Shelter + Stocking up] Mid-term: [High temperature + super radiation + extreme cold + wasteland] Later stage: [Invincible + Star Base + New World] The bracelet I bought at a street stall turned into a tattoo after sleeping? The system binds the first sword to kill the host first? There are still remnants of the little days that were destroyed thirty years ago? The shelter I finally found was formerly a fraud park? How come there are so many obstacles every step of the way...