Zhang Fei - The Abandoned Son - Chapter 867: Calamity Demon Dragon

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates

I made a character gacha game with constellations that people from other worlds can relate to. I was worried about what would happen if the constellations got angry, but… [The King of All Demons complains that the Demon King character’s pick rate is too low and begs for some fan service content.] [The First Elven Hero asks when their episode as the protagonist will be released.] [The Master of the Night fidgets their fingers, wondering if their character’s jaw could be made a bit more slender.] They… unexpectedly like it?

Betrayed and used, Adam Palestar was a man that dedicated ten years of his life to reach the top in the game—Mortal Online—where the strong rule and weak are abused. It was a game where a single death meant the loss of all the hard work. In the end, he died in a way that was common in this game—betrayed by his closest companions—but he never expected that to happen to him.Now, reborn and regressed back to his younger self, he has a second chance—failure is not an option.

In one fateful day, the world has suddenly turned into chaos as zombies appeared from every major city on the planet. Millions were killed each day and the world government collapsed in just a month.Just as the world was about to lose hope, one person, Thomas Estaris, awakened a system that allows him to summon weapons like pistols, assault rifles, even heavy weaponry such as tanks and helicopters.Will he be able to save the world from its destruction caused by the zombies or die trying?