Infinite Awakening: My Exp Doubles Everyday - Chapter 20: Concussion

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

“How did you board the Astral Express, walk the Path of the Stars?”“Because I ended the Honkai, altered everyone's fate.”“So your first step on this path was becoming a hero?”“No, it was for survival, searching for a thigh to cling to.”“And then?”Ryan adjusted his glasses, his voice resounding.“I became the thigh.”

In fact, Ling Yun was the son of a wealthy businessman. But one day, his mother finds out that her husband is having an affair with his secretary. And after that she decided to divorce her husband, but at that time she did not realize that she was pregnant with Ling Yun.

After learning about her pregnancy, she decided to move to another city. And since then, their lives have been up and down. Because of the economic crush, and also his mother's health was getting worse.

He decided to take the 'Dark' path, which led him to near death. But just as Ling Yun was nearing his end, he heard a little girl's voice asking him.

“Do you want to live?”

Things were going great for the demon Bael-Sharoth until a little girl summoned him to open a jar of tomato sauce. Now he's trapped in the human world along with his arch nemesis the beautiful and capable Maharet Flameheart. Life isn't easy for a demon in a small town. But at least the parks are hellhound friendly and the werewolf at the local bookshop seems nice enough. Bael and Maharet must find a loving human family to take in this powerful young witch before time runs out or risk being stuck on earth forever.What to expect: A cozy found family romantic comedy in the style of Good Omens and On a Pale Horse.Gruesomely Wholesome. Enemies to Lovers. Strong Male and Female Characters. Loyal Hellhounds. Sassy Hellcats. A happy ending.