Invincible Teacher - Chapter 68

An average man is reincarnated in the world of DxD! How do you survive in a world of battle-hungry monsters? With a cheat skill, of course! Devour the competition, becoming stronger with every fight! From the depths of the Familiar Forest, the Beast King will rise. (Harem, Gamer!SI)

“I will have my vengeance, in this life, or the next!”Albedo died alone and depressed and was reborn in a Novel he had been reading. However, instead of becoming the Protagonist or Antagonist, he becomes Albedo Neverwinter, an Extra he couldn't even recall from the Novel.However, the cruelty of life didn't change even after rebirth, and his new family was ripped away from him, leaving him with nothing but scars as reminders of the gruesome fate his family faced.Promising to get his revenge, watch as Albedo, alongside his System, his tactical mind and scarce but valuable future knowledge, rises up the ranks and ascends the pyramid of power.[ OP MC, System, Harem, Romance ][ Yeah there will be Smut, but it won't dominate the Novel ]

Lee Jin Woo once lived a dismal life.
He lived pitifully on a day to day basis in his five-pyeon studio filled with mold.

Then, one day, he died in a sudden fire.

When he wakes up, he finds himself inside a novel.
But there’s just one issue…
He had become the novel’s villain!

On a continent where every soul is born with a Seal that defines their destiny, there is no place for the weak.“Mo Bai” son of the Demonic Seal Sect, had his childhood stained in blood—forced by his own father to kill at the age of six.With only average talent but an unbreakable will, he enters the Demonic Academy, where his journey begins—to prove that sheer will can shatter all limits… and even rewrite the very laws of the Seal.Tags:1. Unique Cultivation System2. Dark Fantasy3. Cunning Protagonist4. Evil MC5. Anti-Hero6. Power Absorption7. Martial Arts8. Sect Politics9. Intelligent MC10. Villainous MC11. World Building12. Psychological13. Twisted Morality14. Mystery15. No Romance16. Gore17. Average Talent18. Betrayal19. Survival20. Slow Burn Power Progression21. Cold-Hearted MC22. Scheming23. Dark World24. Tragic Past25. Growth Through Suffering26. No System27. Morally Gray MC28. Descent Into Darkness29. Heaven-Defying30. Clans and Bloodlines