Mushoku Tensei - Volume 18 Chapter 10 — Rudeus Battlefield

Liola—the best assassin in his world—has vowed to kill no more. He was being chased by an assassination organization when he accidentally dropped into a parallel universe: through a dimensional gate and into poor teenager Kaiser’s apartment. Instead of going to the government shelter for lost dimensional travelers, Liola and Kaiser wind up going to school together.

Liola has been trying his best to live the life of an ordinary person, but after certain things happen one after the other, he begins to realize that being an ordinary person could be harder than being an assassin.

Traveling through a parallel world, Ye Cheng planned to be a copywriter and copy tomb robbing novels, but he became a gold medal writer in one fell swoop.

But who would have imagined that, with the unearthed ancient tombs, Ye Cheng’s novels have become reality.

Numerous archaeological teams rushed to ask for advice.

As a result, as Ye Cheng solved more and more ancient tombs, he couldn’t explain it more and more!

…

- Description from novelbuddy

The story starts on earth, after some unknown circumstances, the world was suddenly invaded by monsters from other worlds. Many died and even more turned into zombies, starting what many would call 'The apocalypse Era'.

Rin, a normal teenage boy who lost all of his family members was on the verge of falling into despair when a goddess appeared and sent him to another world that was very similar to a game Rin played before the apocalypse.

Her goal from this was simple, trample on all the protagonists and become the strongest creature in that world for a chance to get back what he thought he lost forever.

Accompanied by a cold beauty, both of them embark on a new journey to become stronger, get back to their world and fix everything.

Fang Xi wore it, and it was the second time!

In the realm of cultivating immortals, I am obedient, but in another world, I strike hard!

Unexpectedly, thousands of years later, he would become a big boss in the world of cultivating immortals!

(Gou Dao Changsheng + Unlimited Stream, produced by Wenchao, a high-quality book, please book friends rest assured to collect and read)

- Description from novelbuddy