I PICKED UP A CHILD IN A DUMPSTER - Chapter 22 - 21, The great reset?

Transmigrated into a world of swords and sorcery, Aaron awakens in the body of a lowly knight apprentice, an outcast born of a slave mother and ignored by his noble father, Baron Alfred. In a realm where steam has yet to meet steel, Aaron carries the knowledge of a more advanced world and a mysterious Map System that reveals everything around him, and rewards him with strength for every enemy he defeats.But Aaron isn’t content with swinging swords. As he carves out his own territory and introduces inventions that shake the foundations of this primitive land, he discovers whispers of a distant continent ruled by wizards. The knight’s path no longer calls to him. Magic, mystery, and power beyond imagination await.Will Aaron remain a forgotten noble, or rise to become a legend in a world that never saw him coming?

Ding Ning was just an ordinary youngster from a small border town in southwest China, but he had learned tremendous medical skills from his masters since his childhood. After graduating from college, he stayed in Ninghai City and tried to seek a job in a hospital there, but things did not go well at first. However, he accidentally saved Shen Muqing who was from a rich and powerful family, and then got involved in the confrontation between Ninghai special police team and a mysterious organization called Vampire Mercenary Group in order to protect Ling Yun who was his landlord’s daughter. It became the turning point of his life. After that, he started an incredible adventure during which he would find out the real identities of his father and masters and discover the secrets behind the mysterious organization Vampire Mercenary Group and the special weapons and tactics team Dragon Soul…
The story tells about how he opened nine apertures, fought with rogues, chased after various pretty girls and established a rich and powerful family by himself. He climbed up to the peak of his life step by step, and finally became medical sovereign.

- 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.

Su Xuan is a handsome deliveryman with little money. One day, just after being pestered by a rich woman, he awakens his system.DING! Host's mood detected as excessively melancholic. The Super Express Delivery System is initiating...Ding, reward the host with a five-star hotel!