MTL - Global Killing: Awakening SSS-level Talent at the Beginning - Chapter 15

[Congratulations! You’ve unlocked the Dimensional Motel System.][First Mission: A runaway princess—hailed as the most beautiful in the land is being hunted by her step-mother. She was originally headed to the dwarves’ cottage, but the System has rerouted her to your motel instead.][Protect her. Win her trust. And if you manage to woe her, you’ll earn her Affection Points.][Bonus Mission: Sleep with her evil stepmother to unlock more reward]'What kind of weird mission is this? And why does this story sound way too familiar?'

Pei Jin is a black bellied prince. To outsiders he is a kind gentleman and always calm.

The two faced number one female spy transmigrates to a different world and becomes an outrageous idiot girl. When she woke up, what she had to face was consecutive blows of the decline of her family clan, her crippled martial skills, and her disfiguration. To protect her family, she must obtain the treasured book, obtain outstanding achievements, summon a dark beast army. Wait and see how in this unfamiliar, dark magical continent, she dies and becomes a demon then steps up to the top, making all of the formidable people in the world bow down to her in respect.

- Description from Novelupdates

Turned into a vampire with no political backing, wealth, or power, Dylan immediately tries to become the strongest there is. Facing numerous dungeon breaks and a coming invasion of unknown origin, Dylan must do everything he can to fight back. In the process, Dylan tries to make the world a better place in his way, by taking control of as much land and women as he can. Watch as Dylan amasses power and influence among monsters and humans and rises to the top in more ways than one.