MTL - Way of the Devil - Chapter 1115 Variable one

After his death, Bern awakens 10 years into the past as the third prince of Kailis, the enemy country.

Zhang Qiu is an archaeology undergraduate. One month ago, he went to Qinling Mountains with a group of archaeologist doctorate students led by Prof. Fang, to study the newly discovered ancient tomb. While the people were excited to open the tomb, Zhang Qiu was pushed back, and accidentally fell into an opening. Before he fainted, he saw a pair of red eyes staring at him. When woke up, he discovered that he was deflowered! QAQ he remembered the deeds and often dreamed of it.

Lacking a pocket dimension, lacking a power, lacking a thigh to hug onto and the three life advantages (money, power, and looks), he had been cautiously living in the apocalypse for ten years, getting closer to falling inside the zombie’s mouths. But unexpectedly, he had the terrible luck, to be caught in a fight between two gangs and die, it really left people feeling disappointed.

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates