Inside the Cave of Obscenity - Chapter Volume 4 10: Vol4 Final - The One who Possessed the Demon King (Brood Parasite)

A mysterious and strange world, a human civilization lacking power, and a horrible and turbulent world of human life, Luo Kai survived humblely as a prisoner. Pain and suffering honed his will. War and killing promoted his growth. He suddenly looked back. Is already one of the most powerful beings in this world.

- Description from novelbuddy

A high-ranking Duke’s daughter, Roxana, and her fiancé, the crown prince.

Everything came crashing down when a Baron’s daughter Claire came between the two.

Honor, reputation, even her fiancé, the Crown Prince…..

In the depths of despair, the infamous Grand Duke Elvin reached out to Roxana.

“I can help you.”

It was a dubious proposition, but Roxana accepted it in the end……

The fragile and lovely Claire and the wicked Princess Roxana.

But who was the real villain?

The night is coming, and evil whispers in my ear:

“Give it up, history ends here, your efforts are meaningless… This is destiny.”

Hearing this, the young man drew his sword and stood up, shining brightly on Jiuyou.

“I am the destiny!”

- Description from novelbuddy

In a morgue filled with the bodies of Uchiha clan members, he opened his eyes...A mysterious voice echoed in his ears...With a bewildered expression, he muttered, “Save the Shinobi world? What does that have to do with me, a mere Uchiha survivor?”