The Yun Family's Ninth Child is an Imp! - Chapter 6419 - entering the city

Son of a bitch! I just finished this godawful fantasy novel, and now I'm knee-deep in it – as David, the disgraced son of the Solarian Empire's top general! Talk about some twisted cosmic joke. But hold on a damn minute... maybe this isn't all bad. Armed with the knowledge of that trashy plot, I can become the ultimate shadow player, an overlord perhaps. Screw the damsel-in-distress harem too – it's time to pull the strings and become the real power behind the throne. This isekai might be a steaming pile, but I'm rewriting the ending with a little more... Debauchery (wink wink).

This story is about the romance that blossomed between a beautiful princess and several courtiers, told through the various positions they experienced together.

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

You emphasized harmony your whole life and this is how you go…!’ The successor of the Spear Master Sect and his apprentice Hyuk Woon Seong were framed of learning a forbidden Demonic art and slayed.

A helpless and pitiful death by the hypocrites of the Orthodox sect.

The moment Woon Seong faced his death, the artifact of the Spear Master Sect emitted light and gave him a new life.

The life as Number 900, a trainee of the Demonic Cult!

The two identities, the Orthodox Sect and the Demonic Cult.

But his objective is one. Vengeance! Accepting his destiny and remembering his grudge, Woon Seong trains in martial arts and his time of revenge slowly comes closer….

Take over the Demonic Cult and punish the hypocrites of the Orthodox Sect! The revenge story of Number 900, Woon Seong growing in tasks of life and death.