MTL - Age of Empires From Scratch - Chapter 105 a good example

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

“Screw magic, I want to learn how to do cool flips and stuff.”

Magic is awesome, until you've studied it for centuries.

Doevm reincarnates into a human to experience the path of a fighter to its fullest and swears not to rely on magic.

There is only one problem, a goddess stands in his way.

She pits him against both the hero and the villain for all of eternity.

How will he escape this, with magic or his fists? Maybe both?

A High School Boy without friends, Odamori Tooru reincarnated into a Fantasy World after a bus accident on a School Field Trip. The job that was drawn 『Slavemancer』a Cheat occupation that dominates the minds of other.

My name is Ye Yong, and I’m panicking right now. I was just reading a novel and accidentally got hit by my phone and I transmigrated and became a villain.

Right now, every day, my thoughts are occupied with how to avoid the male lead and how to make the female protagonists fall for me.

I think and plan my actions carefully, and I make every move according to plan. However, the development seems to have gotten off track. The most obvious changes are the female protagonists, who became different than how they were in the novel. They-

Crap, I gotta run, talk to you later.