Magic is Programming - Chapter 14: A System, of Sorts

On the day Zhou Bai officially became a landlady, a mysterious game descended!She exchanged several buildings in the city for a mysterious reward.After the game officially started, her reward arrived!Result... Transported to another world, surrounded by monsters, starting with a shabby little house.Territory??? Is that all???To survive, Zhou Bai could only diligently work on construction.Before long, she turned her territory into one of the top cities and continued to be the 'landlady' of another world.Elves, dwarfs, orcs, goblins... all became her 'tenants'.

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

On that fateful day, a voice in the sky told everyone on Earth that the world they called home has just been part of some sort of simulation.