Tensei Shitara Slime Datta Ken (WN) - Chapter 335

In her past life, Jun MuYan had a hard life and died miserably. Her unborn child was ripped from her to be refined as an elixir, and even her own flesh was used as someone else’s stepping stone.

The strong are lonesome. Overcoming the loneliness pushes you to stand invincible at the top.

Pro-disciple of the Shaolin Temple on earth, Huang Xiaolong was reborn into a Martial Spirit world, carrying Hua Xia’s secret knowledge, the Body Metamorphose Scripture. In a Martial Spirit world, only those with Martial Spirit are able to train in battle qi and become a warrior. Huang Xiaolong born with a heaven-defying rare Martial Spirit was mistakenly taken for common variant Martial Spirit during the awakening ceremony conducted by the tribe and thus sidelined. However, Huang Xiaolong with his common “variant” Martial Spirit again, and again displayed unnatural talent, defeating geniuses, shocking the clan and the entire Martial Spirit World

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

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