Cataclysm: My Little Frog Brought Me a Mobile Fortress

In the future, humanity's reckless destruction of the world causes the ecosystem to change drastically.

Marine life mutates and invades the mainland. Zombies, glaciers, meteorites, and a new intelligent species appear.

In the end, humanity goes extinct.

Lin Su survives until the very last moment, becoming the last human to die.

Reborn twenty years in the past.

He obtains the Traveling Frog System.

"Ribbit, your Traveling Frog has brought you a mobile fortress from a technological world."

"Ribbit, your Traveling Frog has brought you the Eighteen Dragon-Subduing Palms from a martial arts world!"

"Ribbit, your Traveling Frog has brought you a Little Green Bottle from an immortal cultivation world."

With the System's help, Lin Su grows stronger and stronger.

He upgrades the mobile fortress step by step until it becomes a future city that shelters humanity.

What? A new species wants to replace humanity?

It'll have to ask whether I, Lin Su, agree first!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.