One Piece - I Am A Different Luffy! - Chapter 5 - 4 - Koby.

When encountering demons, a young man with two horns on his head, red hair reaching his waist, and an extremely handsome appearance leads the demons to the front.

Youdou: Actually, I really don’t want to be a master of monsters. This profession is completely useless. My ideal is to become a magic stick…, bah, it’s to become a great onmyoji.

All the monsters: My lord, wake up, you are the leader of the monsters yourself!

- Description from novelbuddy

Born into the powerful Moonviel Alpha bloodline, Celestia Elizabeth Moonviel was destined to inherit her family's legacy,until betrayal shattered everything. When her father, the ruthless Alpha of the Moonviel Pack, falls for a noble Vampire, it sparks a forbidden affair that destroys their family and ignites an all-out war between Werewolves and Vampires.Branded as a traitor's daughter, Celestia is forced to flee as her own brother, Lucien Moonviel, plots to eliminate her and claim the family empire for himself. With enemies lurking in the shadows, she finds an unlikely protector in Draven Nightshade, a dangerously charming Billionaire Vampire with his own hidden agenda.But Celestia soon discovers that the war is not just about power-it's about her. The child of her father's affair is prophesied to hold the key to supernatural dominance, and Celestia is the only one who can find him. Torn between vengeance and survival, between the fierce loyalty of her werewolf blood and the irresistible pull of a vampire's touch, Celestia must uncover the truth-before the past destroys her future.

A cultivation story about how a declining sect is restored by a narcissist, a troublemaker, a meanie, an idiot, and a wimpy kid.

- Description from Novelupdates

“The civilians here are not simple, they are cunning, they are greedy, they are tyrannical.”

“The nobles here are not noble, they are selfish, they are arrogant, they are insidious.”

“I used to be angry about this, but now I pity them. This is a dark world. Since they were born, they have not had the opportunity to choose another life. Now it is up to me to give them.”

“I will bring food and clothing to them, and then they will have morality. I will bring comfort to them, and then they will have faith. I am a traveler from a distant world, and I will bring the fire of civilization to In this dark and wild place, I know I am doing the right thing, eradicating famine, driving out disease, suppressing crime, ending war, and giving anyone who wants a change a second chance.”

“Then, kill all those idiots who are shameless.”

- Description from novelbuddy