Royal Concubine

A chemistry geek with a high IQ traveled back in time to the Zhuge Dynasty to work as a bed-warming girl. After several lives and deaths, he cured the male protagonist's severe male cancer and fulfilled his long-cherished wish from his previous life. The palace battles have been moved to the battlefield and shopping malls in advance. The female protagonist is in danger every step of the way, and the male protagonist is surrounded by dangers. Let's see how they build a prosperous world and how they love each other.