Naruto: The Outsider's Resolve - Chapter 9.46 (361)

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

Transmigrating into a parallel world; becoming a billionaire that everyone looks up to. Qing Tian, who had thought he could finally live a life of wealth, suddenly finds that this world seems just a little strange… His son, a junior studying in college was beaten by a stranger who had just arrived in the city? Does this kid want to slap my son across his face during the student union?

【Ding! the Ultimate Villain System is awakened】

【Reward for successfully educating my son: Divine Toxic Medicine】

【Reward for successfully changing the plot trend: God-level car skills】

【Reward for successfully capturing the female lead: plus…】…

As the father of a villainous rich kid, not only should he educate his son, but he should also do whatever he can to deal with the protagonist…

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.