MTL - Lord of the Secret Art! - Chapter 503 infiltration

30-year-old Jo Minjoon has always wanted to become a chef. He started his culinary career late in life, however, and is currently chopping onions at a restaurant. Regretting his life choices, he wishes he could go back to change it all and falls asleep. Meanwhile, someone out there is willing to give him another chance and send him back in time. How will he use the new powers he obtained from this mysterious being?

IntroductionQiankun Wenqing Valley: After Tang San successfully defeated the God of Destruction, he planned to take action himself and begin taming Huo Yuhao...Suddenly, a mysterious black hole appeared, sucking all the creatures from the Douluo Continent and the God Realm into the plane cracks!Then, a comparison live broadcast appeared, revealing the vastly different lives of two Huo Yuhaos!Huo Yuhao in the Original World: As a child, he was bullied by the Duchess and Dai Huabin. During his time at Shrek Academy, he was deceived and manipulated. Even though he had a girlfriend, he could only look at her but never touch her! His surname was even changed in the finale! Controlled by Tang San like a mere pet, his life was nothing but tragedy.Huo Yuhao in the Parallel World: From a young age, he took control of his own fate—beheading the Duchess, defeating Dai Huabin, and escaping the Duke’s palace with his mother! He saw through the corruption of Shrek Academy in time and led everyone to flee together. As an adult, he took revenge personally, killing the scumbag Duke White Tiger! He destroyed the seal Tang San had placed on Wang Donger’s body, allowing her to give birth to a child, and when Tang San came to settle the score, he cut him to pieces...Original Timeline Huo Yuhao: “After comparing myself with him, I finally realize what a failure my life has been. I want to be like him. I refuse to be a coward any longer! Tang San, die!”Disclaimer: This is translation

Chen Shiping, a Qi training monk from the Foundation Establishment family, is struggling in the world of cultivating immortals

- Description from novelbuddy

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