I Can Make Everything Level UP - Chapter 58: Bridge (6)

Gu Heng traveled through twenty years, and the garbage system ruined his life. There was no hope for cultivation, and he could only be a small mortal. Although he is a mortal, he must do good things. He helped a poor girl casually, and she became the “Snow White Sword Fairy” who was famous in the three realms in the future. He picked up a seriously injured little wild cat and raised it for a long time, but suddenly found that his pet had become the “Ten Thousand Demons Venerable”. He taught a young alchemist hand in hand, and unknowingly refined the “Ten Thousand Medicines Saint Hand”. He recognized a thin female apprentice, and eventually accidentally refined the “Ancient Emperor”. Gu Heng: None of this has anything to do with me, I am only mortal. Everyone: Stop arguing, they all say that you are the only emperor saint teacher in the world! !

As the last abyssal demon in the world, Wen Long was pulled into various worlds to do tasks by a guy who claimed to be a system. The goal of her mission was to save those villains who had been blackened for various reasons…

- Description from Novelupdates

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.