The End of the World: I Have an Online Shopping System That Can Buy and Sell Everything

[Apocalypse + Rebirth + System + Superpower + Slow Heat + Daily + Invincible + No Ambition] The end of the world is coming When others are worried Fang Yu became stronger by buying and selling the crystal nuclei of mutated zombies in the online shopping system. While others were competing for supplies, they were tortured to death by zombies. Fang Yu kills zombies indiscriminately, so he doesn't have to worry about food and drink, he can just shop online. No food? Purchase! No superpowers? Purchase! No skills? Purchase! The teammates followed Fang Yu, but they didn't suffer at all in the last days.