Apocalypse Chaos - I am the villain - Chapter 151 Zombie Hunter

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

“Your frog cub will bring you back the travel specialty [Wu Dun·Xueji Boundary]!”

“Your frog cub brought you a souvenir [Eternal Kaleidoscope Shaker Eye]!”

“Your frog cub brought you back the souvenir [Bamen Dunjia]!”

Traveling to the world of pirates, what Bai Ye didn’t expect was that a small game called “Traveling Frog” that he had played turned out to be his golden finger.

Also, the entire game has completely changed!

The place where the little frog travels has turned into various dimensional worlds!

And the original ordinary specialty has become a special product of each world!

Relying on the special products brought back by the little frog, Bai Ye can continue to become stronger even if he salts the fish every day.

Not only that, the friends the little frog has made in these worlds will come to visit from time to time.

“Ding dong! Frog cub’s little friend Hinata Hinata is visiting, let’s treat her with specialties~”

- Description from novelbuddy

Aiden Cross, A boy who was smarter than a kid his age. Born on the seemingly normal planet Earth. who finds his life very boring.100 years ago, World War III happened for unknown reasons. Resulting in 25% of the world population perished in this war.What was the reason for all the nation to fight for?Would he uncover the secret of the war? Or will he become a pawn of the powerful organizations?But one day Aiden’s life turned upside down in an accident. Aiden lost his mother, and Aiden himself was on the verge of dying. Then he awakened the system.[Ding][Compatible host detected][Initializing the Cosmic System][Connecting the cosmic system to the host's soul][Connection Completed]A system promises to make him stronger and help him revive his mother back to life. And inform him about the awakening of his world, which is no less than the apocalypse. With the help of the system, Aiden awakens Limit Grade Talent, but his talent is not complete and has a fatal side effect.[Talent: Celestial (unknown)] (incomplete)Aiden has to copy many talents to complete his talent. And travel to many different worlds.As he meets different races, a naive elven princess, prideful and lustful dragons, bored vampires, and a horny angel who offers herself to him“I offer you my body and soul; please accept me.” An angel with a flushed red face said

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.