Within a Hollow Heart - Chapter 21: Volume 1, : "Shattered Threads"

Arthur was a weak and cowardly boy who lacked the power to protect anyone—a truth brutally demonstrated when his parents were massacred while defending him during a Gate outbreak. As the sole survivor, Arthur spent weeks believing his life was over. When intense chest pains began, he assumed he'd been infected with corruption by the void creature that killed his parents and was merely waiting for death.What Arthur didn't expect was that these sensations actually signaled his Realm Core forming. In two months' time, he would be forcefully transported to the next realm and awaken new powers, becoming one of the world-renowned “Chosen” who protect humanity from Gate outbreaks. Now Arthur must rise through the heights of power, climbing each of the seven realms in hopes of saving his world... or does he?

She, Xue Fanxin, a famous medical genius in the 21st century, had transmigrated into the body of the dumb daughter of the Grand Duke.

A person cut down the road of life in troubled times.

Zombie: Roar.

Lin Fan: “Everyone is a neighbor, so why are you so irritable?”

Lin Fan: “I still have to go grocery shopping.”

Lin Fan looked at Xiaoqing who had turned into a zombie: “Xiaoqing, I bought a few bottles of water and have already scanned the code.”

Lin Fan: “Boss, I want to settle the salary.”

Sunshine Community, where Lin Fan lives, countless refugees flocked to seek shelter.

We have to learn from Lin Fan, abide by the law, work part-time to earn money, strive to buy a house and a car, and be an excellent citizen in a city where zombies are rampant.

- Description from novelbuddy

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.