From A Stronghold NPC To The Final BOSS - Chapter 66

[You have become the master of the Warden Mansion.][Your first quest is to refine mana from one of your maids by having intercourse with her.]When nineteen-year-old Jett Talon suddenly wakes on an emperor-sized bed, he finds himself lord of a mysterious mansion where countless gorgeous maids stand ready to serve. His first companion is Mia, a blonde elven maid who checks his every box. After making love to her, Jett gains mana, unlocks legendary powers, learns his duties as Master of the Warden Mansion, and uncovers its hidden secrets.

The hearse with the weird odor slowed to a stop before the entrance. The sound of pebbles could be heard bouncing on the ceiling. There were footsteps coming from the corridor, and there seemed to be someone sawing next door. The door knob to the room rattled slightly, and the faucet in the bathroom kept dripping even though it had been screwed shut. There was a rubber ball that rolled on its own underneath the bed. Wet footsteps started to surface one after another on the floor.
At 3 am, Chen Ge held a cleaver in his hand as he hid beside the room heater. The call he was trying to make was finally answered. “Landlord, is this what you meant by ‘the house can be a little crowded at night’‽”

- Description from Novelupdates

The first phase of the tiran impact lasted for a whole day. Asteroids falling into earth, releasing and spreading strange green gases into the air. This has mutated or should I say, Zombified humans who were infected, Mutated monsters, and alerted alien races about the existence of earth.Those who survived for 24 hours recieved a chance to survive what was to come as that wasn't the end.Dexter was always a person who didn't care about the world. However, becoming a vampire in the apocalypse was something that he never anticipated. But it was a must if he wanted to leave his hiding spot which was surrounded by monster zombies.While restraining himself from giving into his urges to drink blood, he struggles to keep his sanity intact.Time and time again he refuses to become a lawless bloodsucker.Well, he would rise, facing different adversaries and foes, developing from the once weak and feeble human, into a vampire god....Make sure to check out this fl book 'Disguised as a boy to attend Belmont High School'.