Transcending Dreams - B2 End - Yu Yanhua

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

Apollo was a genius who was talented enough to achieve big things in his life, but because of a rare genetic disorder, everything came to an abrupt end.But when he thought everything was done, he again opened his eyes to another world as the baby of a noble family. Knowing that this might be his second chance, he decided to do everything he could to create a good and free life for himself.But surprisingly, this world is not simple, as there are beings with extraordinary power who can control the lives and deaths of others, giants who can crush mountains, dragons who can burn the seas, and many more. So now, to truly achieve his goals, Apollo needs to learn and adapt to this new world where life and death can be matters of thought.

Yu Zhengdu joined a small start-up company that claim to offer “life management services”……as a programmer.

On his first day in office, he received a phone call from a stranger: “Hello, I received a text message from your company that informed me of my reincarnation tomorrow……”

Yu Zhengdu: “……??”

Shang Que, the beautiful little boss, said, “New employee, welcome to the Hell organisation in the human world. A thousand years ago, I was known to the human world as the Ghost King of Luofeng Mountain.”

Yu Zhengdu: “……??” From then on, he was incredibly distressed about the development of Hell.

- Description from Novelupdates

He is the master of six kingdoms. As long as he wanted, his cavalry is ready to wipe off any country.