The Devil King of fast wear was a little sweet ( Machine Translation ) - Chapter 1 - 1. The CEO's little Sweetheart 1

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

This book is also known as: “How Programmers Turn a Crappy Game into a Timeless Classic with a Single BUG”Recently, the president of Nitiandang, Gu Fan, once again fell from grace due to a minor bug in his new game.As a top-notch designer in the industry, all of the games designed by Gu Fan have very distinct characteristics:At first, players felt that these games were monotonous, dull, and purely revolting garbage.However, once players discovered a major bug, the gameplay underwent a drastic transformation, rendering them sleep-deprived and unable to quit!So, players once again launched a major debate over “whether this is actually a bug or a game mechanic.”In response to this, Gu Fan clarified in an interview with all seriousness:“Hello everyone, I'm the game designer Gu Fan, but you can also call me by my English name: fan·gu (means rebel).”“I want to reiterate firmly that these so-called 'core gameplays' were not part of our company's original design—they are bugs! It's just that we didn't fix them because the players liked them!”

After acquiring financial power, Shen Yuan had become the target of their spoken and written censure... Alternative titles of this book are “After Financial Freedom, They Offered Their Loyalty” and “Life Winner, I Have Multiple NPCs” There are some things you know. You will never regret opening this book...