7th Demon Prince Jilbagias' Chronicle of Demon Kingdom Toppling - Chapter 37.1 - Unexpected Truth

…Ring! [ The Unique Skill ‘Grand Devourer’ has been acquired! ]

That’s how it first started.
And then… it didn’t stop:

[ The Unique Skill ‘Evolve’ has been acquired! —
[ The Passive Skill ‘Jelly-like Shapelessness’ has been acquired! —
[ The Passive Skill ‘Resistant Body’ has been acquired! —
[ The Unique Skill ‘Dwell’ has been acquired! —
[ The Unique Skill ‘Skill Copy’ has been acquired! —
[ The Passive Skill ‘Mana Perception’ has been acquired! ]

Up until…

[ The Passive Skill ‘Consciousness’ has been acquired! ]

And then I was through—

Normally, monster-type creatures don’t just pop up in some random place—let alone a human place—out of the blue, and without notice.
Yes, if we’re talking ‘normally’, monsters belong more to places like remote, hostile grounds: they ought to be from dark, nasty forests, old caves, or abandoned, ancient ruins.
As I said, it was only so long as we spoke of the usual deal, however. For better or worse, I wasn’t your regular mob.
So, forget about all the remote, uneasy places humans hardly go to—all the abandoned forests, caves, or dungeons I, a monster, should have been from—and picture a bright, lively family restaurant, in an oh-so-peaceful human village. A restaurant where people ate, chatted, and jested together, all having a good time, blissfully oblivious to the fact that, very soon, I would be cutting them all down.

By magic, a monster-type creature spawned in such a place. It was me.
So far, for the few seconds I had been living, it was quite the good life… I got to listen to a fantastic story being told and shared a cool moment with people.
However! Following an uncertain course of events, I happened to be put up against a wall, with a sword aimed at my chest, before I was mercilessly killed.

I, a unique monster, just spawned in that restaurant, with no clue regarding what was going on.
All I knew was that I wanted to live and survive.
Also, I knew I wasn’t your regular kind of monster.
Thankfully, I’d been granted unique abilities before I showed up.
That is how I managed to survive.

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

For some reason, Shao Qian devoured half of the system that tried to devour his soul after tricking him into completing missions in worlds where he was horribly humiliated.

Since he didn’t feel like returning to his original world anymore, he decided to return to the worlds of which he had the coordinates and retaliate against them!

But…….

Why is it that every world seems not quite right?

Could it be the method he used to cross through the worlds was wrong?

Why is the female lead completely ignored by the male lead who, for some reason, is currently sticking to him like glue?

- Description from Novelupdates

A mysterious natural phenomenon caused the Earth to be plunged into darkness. The world turned into an endless bloody chaos and mankind is on the brink of extinction…