Monarch of Gluttony: System of Sin - Chapter 4: 4: Selection of Darkness

The second moon marked the beginning of a revolutionary change.

With the emergence of monsters and dungeons in modern society, and the ability users who fight against them, the world faces a shift in its paradigm.

It heralds the advent of a new energy source and the decline of traditional occupations.

Common sense thus becomes warped and imagination becomes reality.

As we all know, there is a force that must not be messed with in the Southern Region, thatched cottage.

Among them, the eldest disciple is the Qingyun Sword Master of the Southern Region, with a mastery of swordsmanship.

The second disciple, the Eternal Empress, leads an era.

The third disciple is a great Confucianist in the world, and the star of Wenqu came down to earth.

The fourth disciple, the reincarnation of the demon god, suppressed Jiuyou.

…

Lu Changsheng: Me? I am nothing special, just their master.

- Description from novelbuddy

Sequel of Allison, taking place about 17 years after the original series.

When necromancers perform a great ritual to summon an undead servant, they bring a powerful vampire into their world. And now, their fate is sealed as food, but for Klaus, this is just the beginning of his adventure. In a cruel world where people will do anything for power and immortality, he is already very strong and immortal, so what's left if not start a family and have fun stepping on arrogant people through the way?