In the Wasteland: I Summon the Fourth Calamity Directly

Lin Qiye, a wage slave, unexpectedly transmigrated to a post-apocalyptic world because of a lottery ticket.

To get food, Lin Qiye went so far as to use his younger sister's menstrual blood to lure zombies and smear her with feces to mask her scent.

But Lin Qiye still accidentally caught the virus. Because of his different bloodline, he unexpectedly awakened the strongest Fourth Calamity System.

From then on, a special organization emerged.

Their slogan was:

"As long as it has a health bar, we'll chop down the heavens too!"