DxD: I Steal Luck - Chapter 223: I Have a Knight~

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

As a successful author, Max was used to hate comments but he never expected that his decision to kill an important character would result in his death.Apparently, the Goddess and her brother used to read his novels and were both a big fan of his works. Sadly, the brother didn't like his decision and killed him.As compensation, the goddess decided to send Max in his own novel as the protagonist and complete the story without letting any of the main characters die.Max had no problem with that, so he accepted it and asked for something else too.“Can I court you?”Now, he has the Goddess accompanying him as the Ultimate Leveling System. Not only that, his system also rewards if he saved the favourite characters of his novel. What could be better than this life?[You have Killed the Giant Behemoth Dragon, granted 200000 EXP.][You have saved the side character, Charlotte Sinclair, granted the fortune worth Corelhelm Kingdom.]Watch as how the author makes the harem of his favourite characters while leveling Endlessly....What to expect-Leveling+Mana Cultivation+Labyrinth adventures-OP MC-Light Hearted, Low stakes-A proper Harem and good romance-Very less Smut (yeah, the number of those chapters will be very low as I intend to focus on relationships, adventures and of course Labyrinth stuff.

Choi Hyun-seok, a heavyweight champion of the biggest mixed martial arts league on Earth and the one who was called the strongest had died.Afterwards, he was granted new life as a hero in another world.‘Wealth! Honor! Endless beauties at your fingertips!’With thoughts of such a dazzling future, the first thing that he saw when he came to this new world was a towering ox monster.The monster, who was the commander of the demon army, asked.“Hero? You’re saying you’re the hero?”“Uh…I think…?”And so, that was the start of hell.

Why is the book Evolution Chart related to the theory of evolution?What is the relationship between the Ethereal Cloud Sword and the probability density?How did cultivators build atomic bombs?How did quantum mechanics appear in a cultivation world? Why were the ancient supreme experts and the modern ring grandpa labeled as being misguided and useless?What is the connection between Quantum Grandmaster, Daoist Proscribe, and Supreme Lord with the great scientists Bohr, Heisenberg, and Einstein?Let us follow the host, no, the protagonist Wang Qi, entering a world like never before and explore the secrets of scientific cultivation.