MTL - Time Traveling: the Only Beloved Husband - Chapter 18

In 1930s Canada, a 16-year-old landlord unlocks a System unlike anything this world has seen—a power that lets him grant supernatural abilities drawn from warriors of another realm. Barbarians, Archers, Wizards… all under his command.

Content Warning: R-18, Smut, Cruel MC[Ding! You've acquired the Heroine Stealing System!][Your first task is to steal the daughter of the Eastern Kingdom's king!][Your Fate Value has increased by 10!][You've slept with the hero's mother, your Fate Value has increased by 15!][The hero has developed animosity towards you. Current Hatred Level: 5 stars][The king's wife is charmed by your looks.]After being transported from his own world, the protagonist wakes up as Vritra, the son of Demon King Rohan from the Hell Continent.Since he's from another world, he doesn't have any Fate Value in this new world of swords and magic.To survive, he has to act like a villain, stealing the affection of every hero's heroine and sleeping with them.This will boost his Fate Value and help him stay alive in a world filled with wars and political conflicts!

There was a prominent old martial arts family which in the hundred years would give birth only to males, never a girl. Finally, one day, a girl was born. She was a tassel blower among ten thousand green groves. Ultimately, she turned into an agile and brave tomboy!

There was also an imperial descendant who his old father had six princesses. His father was just short of a son to inherit the throne. Finally, one day, he got a bastard son who was his youngest child. With countless spoiling, in the end that son was brought up into a universally unmatched egomania!

“Zhen as the nation’s number one beauty, as the nation only first class figure, obviously needs to have a professional bodyguard constantly at our side for protection. That will be you, the iron-willed female King Kong pretending to be a little eunuch.”

- Description from Novelupdates

In the 21st century, she was the strongest bounty hunter who possessed supernatural powers and was proficient in brewing all types of potions. However, she becomes the first talentless child of a cultivating family when she transmigrates.