My Pet Is a Holy Maiden - Chapter 52

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

In ancient times, there existed giant spirits capable of supporting the heavens. With bodies as enormous as stars, they soared across the universe. Great clan leaders with mysterious blood running through their veins shattered the void and created new worlds. Ancient Qi Warriors crossed a river of stars to enlighten numerous mortal beings. For unknown reasons, an era silently came to an end, all realms were separated, ancient giant spirits disappeared one after another. Thousands of years later, young Nie Tian managed to travel back into ancient times with the help of a drop of blood…

The master Xiuxian failed to cross the calamity, the soul came to the earth, and became a waste fiance of the school flower. The school fiancee wants to force him to remarry, the hypocrite and uncle who is greedy for money fights for his family property, one indifferent killer kills his life … Grandpa’s disease must be cured … The proud family’s family must learn martial arts with him … These problems are being cultivated Master Lin Mu is not a problem before him!

- Description from 69shu

[Ding!] [The Milf Hunting System is online] [Seducing and conquering older women would be made possible with this system] [Isn’t that exciting host?] This was the notification Jay received after dying and transmigrating into the body of a 17-year-old boy named Ryan. He considered life to be meaningless and boring while he was still on earth. Then he died in an unexpected way after getting hit by a truck. Thinking that was his end, he was completely wrong. After meeting with a certain god, he got transmigrated into a world where powers, magical beasts, and so on exist. But things would be different in this world, life wouldn’t be that boring anymore because he has a task now...seducing and conquering milfs. Armed with the milf hunting system, he’d be able to conquer a lot of milfs, benefit from conquering them, and become stronger in the process. Follow him through his journey...