MTL - The Supporting Female Character Is Not Behaving Again - Chapter 134 Headache 20

It’s been 10 years since I found myself in the game “War of Gods: Infinite Defense.”From being the illegitimate son of the Red Dragon family, I rose to become a prominent figure, but under my half-brother’s schemes, I eventually met my demise.[Game over] [Hidden Ending: The Secret of Ray Hatzfeld]However, I was given another chance.[Discovery of the hidden ending has unlocked a new story.] [Additional content is being downloaded.] [The story of Kane Rehinar, the Grand Duke of the Water Tiger family, begins.]Not as the illegitimate son of the Red Dragon family, but as the Grand Duke of an enemy nation!“Hatzfeld, this time I will make sure you die in the most painful way possible.”

The mysterious master returned to the village, skilled in medicine and Martial Arts, using extraordinary methods to lead the villagers on a path to wealth.

This story is about a rookie researcher, who was forcefully dragged away from his restful life, compelled into facing various killers and zombies, always having to risk his life at the brink of death, and finally becoming an advanced researcher that is acclaimed by all. And throughout his adventure, he met an alluring(?) killing machine, who he started to have fantasies on after they had an accidental kiss…

Xiao Yan: Did I fall for him? But he’s a man!

Maya: Who knows…. maybe it’s the other way round?

- Description from Novelupdates

This is a world where a king is the most powerful.