Marvel : I'm in Westview Town - Chapter 115

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

Lin Chen, a poor boy from a model agency, occasionally inherited a peerless doctor. From then on, he has been unparalleled in medicine, able to resurrect the world and help the world.

He contends with the sun and the moon, and takes his life to heaven and earth. And all this began when that sexy and beautiful model gave him an ancient book…

- Description from MTL

Yang Qi was the son of the patriarch of a wealthy family from a small town.