MTL - Manga Guidebook - ~ Explain and ask once

In a world where monsters dominate, and humans are but one out of ten thousand of the population, Gao Yang, having transmigrated to this world at the tender age of six and led the life of a normal boy until his eighteenth birthday, must seek the truth and survive against all odds—with the help of a mysterious system, a bottom-of-the-list Talent, and the companions he meets along the ways.

What is hidden under the facade of an ordinary city and its ordinary occupants? What are these different manners of monsters, and where is the line drawn between monsters and humans? Could relationship and love be true when all are merely playing their own parts?

Ride along on his journey and find out!

Official blurb translated from Chinese:

An orphan, Gao Yang transmigrated to a parallel world at the age of six, and he was given the gift of a loving family of five.

However, with the coming of his eighteenth birthday, Gao Yang found out by chance that this is no parallel world, but a strange domain where his family and friends can all be terrifying monsters! He almost got killed when he realized the truth, and he would, if not for the system and Talent he acquired at the last moment, Lucky—the longer he lives, the stronger he will become!

Now commenced the battle royale of a lamb among wolves…

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Dear readers! Without any ads, maybe you will prefer .

The first version: The life of Zach the Vampire in Barton City.

The second version: a vampire brought a bunch of nonhumans to live in Barton city.

The third version: strange creatures were secretly moving into Barton City.

Final version: The Barton explosion of nonhumans.

By the time I realized it, I had reincarnated into another world.

I kept sleeping, and at some point I became a Demon Lord.

Even though I never wished for it.

But for me to not have to work, this world is the best. It must be true that good things happen to good people.

The flavor of Sloth is as sweet as honey. Glory, diligence, virtue, or honor. I have no interest in anything like that.

What’s there to hide? The Lazy king is… none other than me.

A villainess known by all as a wicked woman who has done all sorts of evil deeds—Ducal Lady Violet.
She regained her memories of her previous life after she fell into a lake and almost died.
The very moment she woke up, she immediately visited her father, Duke Everett, and asked one thing.

“Please confine me to the annex.”

And so, she imprisoned herself there.
Now that Violet was secluded away from the world’s criticism and reproach,
She immersed herself in her previous life’s memories and started painting them.

“What the hell are you up to this time?”

Everyone was suspicious of just what she might be scheming.
However, the misunderstandings surrounding her gradually got resolved one at a time…