MTL - Start with Batman - Chapter 57 Source of infection

A loner boy, who’s always loved escaping into his RPG world, suddenly finds himself living as one of his game characters. But instead of becoming his favored fighter, he’s in the body of his second avatar—a support mage! Though he’s used to playing both roles, being the mage in real life is a whole new challenge. Now he must rely on his knowledge and skills to navigate this unfamiliar reality and survive as the game's “support.”

A Russian economics expert had been making money through long-short strategies during the Russia-Ukraine war. Despite his economic success, he felt deep regret about Russia's historical mistakes. He wrote on his blog that “Russia has been on the wrong path since the 19th century,” critically analyzing Russia's history. Then, remarkably, he traveled back in time to 1891 and found himself in the body of Russian Crown Prince Nicholas II during his visit to Japan.

David, reborn into the world of Resident Evil, accidentally killed a reincarnator and activated the system that had always been inactive within him.From that moment on, he embarked on a path of plundering beauties and wealth, traveling across different worlds of movies, games, and anime.In the Saw universe, he seduced and fucked Jigsaw's wife. In the vast Marvel Multiverse, he fucked beauties like Natasha Romanoff and the Scarlet Witch.Even the cosmic entity Phoenix Force couldn't escape his hands.Still not satisfied, he went to the DC world, where he slept with Wonder Woman, the seductive Catwoman, the Queen of the Atlantis Mera, and countless others.But even all of these were merely fleeting moments in his endless journey across the infinite cosmos.With each world, he faced constant challenges, plundered unimaginable resources, and stole away the romantic encounters and wealth that were destined for the so-called male protagonists.“Only children make choices.”“I want everything!!!”

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