MTL - Thousands of People Suspected of Rebirth and Became Popular on the Internet - Chapter 21 go home with grandpa

Three years ago, the animals and plants on Earth underwent crazy and unexplainable changes that included transformations, reversions, and the addition of otherworldly species. And it was the start of a brand-new type of profession in the new generation of humanity – Monster Trainers, people who specialized in taming monsters.

With just three sentences, you convinced the Paladin to spend five thousand Gold Coins for you.You truly are a master of the Undead who thoroughly understands human nature!…“Respected Master Amberser, after our review by the editors at 'Legendary Spells' Publishing, we regret to inform you that your paper 'Research on the Non-Humanoid Form Modification of Undead Creatures' is unsuitable for publication in our monthly magazine. We suggest that you submit your work to a magical academic journal with less stringent review requirements.”A burst of ghostly blue flame erupted from the tips of fingers, reducing the rejection letter.“Damn it! You bastards are purely discriminating against liches, discriminating against undead magic!!!”“Drop dead!”

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

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