System: Building the Most Popular Demon God Tower on Earth

The Demon Gods ruled the world for a thousand years, and humanity suffered a century of enslavement.

The Demon God Towers fed on humanity's vital essence. As the human population dwindled, competition among the towers grew fierce!

An envoy of the Demon Lord brought a hundred people from another world to turn things around and manage the lowest-ranked Demon God Tower.

"Ding!"

"System activated."

"Obtained biological gene evolution."

A caterpillar transformed into a caterpillar girl, a butterfly monster became a butterfly girl, and a spider monster turned into a spider girl.

At first, he thought it was just a story about raising beauties in a charming garden, but then the System issued a new quest.

Main quest unlocked.

Help humanity rise again. No time limit.

Have I really become humanity's hope, living undercover among the demons?!

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