World Development System - Chapter 326: 257. Chaos at Plaza Part 5.

Apollo Kaiser, a boy who bore the unlucky fate of being unable to grow strong, was condemned by his family.

Discarded by his mother and abused by others, Apollo gives in to his rage.

However, this action results in his death. Many would believe it to be the end, but Apollo's death was a required catalyst.

The Demon Monarch System finds its heir and attaches to his soul, bringing him to a new world where he starts his journey to supremacy.

This difficult journey rife with conflict, conquest, and brutality shall serve as Apollo's temperance.

Watch as the heir of the Demon Monarch rises above all, conquers Sin, subjugates unthinkable enemies, and even brings about the destruction of worlds!

The rise of the next Demon Monarch begins...

The female protagonist crossed over to become the Venerable Woman Kingdom’s Crown Princess. That’s right, that’s right, holding power and authority and handsome men!

What? She’s has the body constitution of trash and is unable to practice martial arts?

Having finally set her eyes on a good looking man, he turned out to be a snow wolf. Isn’t that just so sad and depressing….. Having captured a good looking man, a certain woman laughed sinisterly. “Remember this. You are already mine, so you have to remain chaste for me. If you do not obey, I will then reject the goods.”

The handsome looking man was stunned with his mouth agape. “You….. You’ve gotten it completely backwards!”

- Description from Novelupdates

Chang An, capital of Tang, the most powerful empire in the continent. A heaven wrecking massacre shook the city to its core. Amidst the incident, a young boy named Ning Que managed to get away, dug out from a pile of corpses along with a little girl called Sang Sang. Years passed, and since that day the two of them lived together. Together with Sang Sang they both entered the military, with plausible military achievements, they were recommended into the Scholar School, which began their miraculous journey.

Lin SuCi transmigrated into a book, and became a kitten who had just cultivated into becoming human.

When he was still young, he was picked up by a good man to be become his apprentice, but he did not expect his master to let his senior — the number one villain in the book — raise him?

This villain senior was too scary, when he had nothing to do he would put him on a plate and stare at him. Let’s not mention cuddling, embracing, stroking and pinching him all day long, he even had a hundred ways to bite a cat!

Lin SuCi covered his butt and had a tearful epiphany, Senior wants to eat me up!

Having tried to run away with his short legs and getting caught for the nth time, Lin SuCi, his paws covering his face, had to accept his fate.

Wasn’t it to just be the boss villain’s favored younger brother? Take your hand off my tail, fine, I’ll take on this role!

- Description from Novelupdates