After being betrayed, framed and kicked down to the ground, our protagonist was sentenced to life imprisonment. But a few days later, a global disaster occurred, people from all nations migrated to underground refuges.

As a prisoner, he thought his life was over, abandoned by everyone. However, he wakes up, greeted by Gaia, the person responsible for New Earth.

New Earth was a second chance for him, watch as he builds up his own dungeon and become known by all as the Emperor of Madness.

[Note: This novel is also posted on Webnovel: https://www.webnovel.com/book/10443702306039605/New-Earth--The-Dungeon-of-Madness]

Here's an edited version available on Amazon:
Book 1: https://amzn.to/2MwyMBG
Book 2: https://amzn.to/2U9R6lp
Book 3: https://amzn.to/2UdVbVx