MTL - Harry Potter and the Rise of the Ordinary Person - Chapter 19

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

After 50 years of being in the position of Hwacheon Clan Leader, Kang-hyuk, widely renowned as 'The Dragon' retires.

They say luck is an uncontrollable force and karma is nothing but a cycle of cause-and-effect that depends on one's deeds. But what if luck somehow really could be manipulated while the way karma worked could be changed?

With the appearance of the Realm Games where every life became worthless and Artifacts that granted various powers, humankind was pushed to the ultimate path of evolution for one last time!

Raven, a simple young man, was also forced to walk on such a path, which with his cursed bad luck became even more difficult than for others!

However, what he did not know at that time was that it was not only humanity that was coerced with such a cruel fate but every living being in the far cosmos too!

Come and follow Raven on his journey and witness how he struggles his way through hardships and how he shifts his seemingly already decided fate that the Gods have destined him to walk from the very start!

Traveling through different worlds – this is unscientific!

Get cheats – it’s science!

…

This is a simple story. An ordinary person lives in a different world, farming and raising flowers, studying unscientific science in his free time.

until the end.

- Description from novelbuddy