The Beginning: Simulating the Apocalypse - Chapter 21 - Huang, the Martial Ancestor, Unyielding

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

Shen Xiaoxiao had traveled through time, landing in an era of a place named Minze Country. Regretfully, she had transformed from a well-beloved, wealthy heiress to a disregarded money pit, unloved by her grandparents. However, the heavens had always been kind to her, offering her a portable space as compensation. Follow her journey as she rises to wealth in this primitive era, helps the populace lead happy and peaceful lives, and lets everyone in the Minze Dynasty know about their blessing of a Princess as beautiful as the country itself.The new novel “The Famous and Fortunate Farmer Girl” has been published. Everyone is welcome to have a look.

He said coolly: “One million a month, stay with me!” She raised her eyebrows and smiled: “Pay a 30% deposit first, no credit!” Show no mercy. When the contract expired, she turned around gracefully, and when he chased after her, she found that there was already a kid the size of a kid beside her…

- Description from novelbuddy

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.