Billion Technology Crystal System

New book released!

New book: I'm the big tech guy behind the scenes

The city publishes an article, clicks on the city category, and the first one is the book of Dahei.

This book will not be changed, and events such as eunuchs will occur.

New books for collection, recommendation tickets, and rewards.

Tap the screen to use advanced tools Tip: You can use left and right keyboard keys to browse between chapters.