Arifureta Shokugyou de Sekai Saikyou (WN) - Chapter 465

The empire had called him a villain, now they raise him as their heir.Once feared as the most powerful being alive, the so-called “Villain of Chaos” was brought down by the very heroes who craved his artifact. Now, he’s been reborn into the very home that had killed him in the name of cleansing the world. In a royal court ruled by lies and power games, he is no longer the demon to be feared… yet. His mother concealed his identity on the day he was born, and a river of blood flowed for his sakeNow he will learn how to pull the strings in court as its prince, and train to ascend the throne and become the most powerful mage the empire has ever seen.The world thinks it killed him. It only gave him a reason to return.

As a child with an unattainable dream, I yearned to become a Hero, but I veered off the right path. Looking back, my aspiration to save others was nothing more than a foolish dream. I now realize the magnitude of my sins and the impossibility of atoning for them.

This novel is also known as From The Start, I Traded A Galactic Warship

After getting a trading platform three thousand years later, everything in the world has become an antique, worth a thousand gold.

But it was also learned that three years later, aliens invaded, human beings fell, and the dark starry era began.

In this era of unprecedented change in tens of thousands of years.

Shen Shi decided.

First trade a space battleship, and then talk about it.

then–

Battleships come to the world from outer space! Global shock! Starry Sky Era, open in advance!

- Description from novelbuddy

Humanity had finally ended the war with the Demon Race and sealed them away, forever.However, they now have to face the treat of the Shadow World, an equally dangerous threat to their civilisation under the rule of the Emperor!Facing only misfortune from a young age, Nikolaus Reinhardt never expected anything good to happen to him.But his world completely changed when he awakened as an Ascendant, and accidentally summoned a member of the Demon Race in his house.Just because he messed around with a god damn book!