I Reincarnated as the Bastard Prince? Well, At least I'm OP! - Chapter 33: The Vengeful king

[Adapted into Manhwa]In a world teetering on the brink of annihilation at the hands of the primordial evil, Erebos, five heroes rose to challenge fate. [The Brave] Arion. [The Divine Blacksmith] Dweno. [The Nebula’s Progenitor] Luna. [The King of Wisdom] Lisinas. And finally, me, [The Hero of Beginnings] Kyle.After my reincarnation, I found myself hailed as a great hero. “Except for one small detail, nobody mentions me.”At the Hero Academy, where the sacred gift bestowed by the gods, the Hero Record, chronicles the deeds of legends, I enrolled to uncover the truth behind my forgotten legacy.“Fine, then. I’ll just go there and become the top student. No big deal.”

I came from hell, looking for redemption! –“Revelation”
…………
What is redemption?
I think it should be a process in which a good person becomes bad and then becomes good again.
It’s like our clean birth, contaminated by the dust of one life, and then clean death.
Well, this is just a story. …

- Description from Uukanshu

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

As if it wasn’t enough for me to be reincarnated as a child in the slums, I was taken to a city of crime and became a test subject. But then, when I saw the man that came to destroy the research institute, I realized that this was the world of an angst-filled reverse harem novel.

While living a relatively normal life after escaping from the institute, the heroine of the novel moved in next door. From the looks of it, I might be the heroine’s neighbor extra. Originally, the heroine was to save the unconscious and fatally wounded villain and in return, be subject to a fanatical obsession.

But, why. Why is the sub-villain collapsed in front of my house?

The sub-villain, Lakis Avalon, was the king of the underworld and the very same frightening man that I had met at the institute before.

“…”

I took a moment’s glance around then I kicked the man’s body away.

You’ve got the wrong house, Villain.