Apocalypse Begins: Eliminate the Hypocrites First

"Gu Sha, how can you be so heartless?"
"That's right, Gu Sha, we're all classmates. How can you be so cruel, just watching others die?"
"Gu Sha, hurry and open the door. Let them in."
A torrent of chaotic voices thundered around him, leaving Gu Sha's mind in a haze of confusion. It took him a while to regain clarity.
He had returned—
Returned to the very first day of the apocalypse.

Staring at those familiar yet distant faces before him, Gu Sha was certain—he was back twenty years in the past. Today was May 10th, 2023—the day the Era of Cataclysm began.
He would never forget this day.
This was the day humanity's nightmare truly began.

It started with a torrential downpour—
A rain that began on May 5th, falling relentlessly until May 10th. At first, no one paid much attention to it, save for concerns about possible flooding.
But at three in the afternoon on May 10th,
the moment the rain ceased,
the world changed.

When sunlight broke through the clouds, it was blood-red, bathing even the darkest corners of the earth in crimson. In an instant, over seventy percent of humanity became mindless, murderous husks. Countless animals and even plants mutated into terrifying forms.
Order collapsed, law vanished,
and the world was plunged into terror.

Gu Sha had lived through that cataclysm, surviving for twenty long years.
The world, two decades later, was unrecognizable. The earth had swollen dozens of times over, transformed into a realm r