Killer College Student: No Graduation Unless I Become a Killer?

The Protagonist Is a Mercenary, but He's Still in School

The Protagonist Is a Ruthless Killer Who Kills Anyone He Sees as a Threat and Leaves No Loose Ends

So satisfying to read, the kind where a villain threatens the protagonist with, “I’m royalty or some other powerful relative. You wouldn’t dare kill me!” and the protagonist just cuts him down with one stroke.

Modern Stories About Assassins, Master Thieves, and Spies

I read this a long time ago, but I've forgotten the title and want to read it again. Both the male and female leads were powerful. It was something along those lines. Can you recommend anything?

A Protagonist Who's a Killer Type, Incredibly Powerful

“With 50 percent profit, it will take desperate risks; with 100 percent profit, it will trample every human law; with 300 percent profit, it will challenge the gods.”

Looking for a Novel with an Extremely Capable Male Assassin Who Has Special Abilities

The male lead is extremely cold and ruthless.

Any Novels with an Assassin Protagonist?

A badass assassin! He’s incredible with both melee and firearms, and takes contracts all over the world!

A Handsome Male Lead Who's an Assassin, Living in Hiding on Campus

The protagonist is cold-blooded and unfeeling inside, but doesn’t show it.

Urban Assassin Stories With a Hidden Identity and a Low-Key Daily Life

They can be so high-profile that they look down on everyone while wearing a mask among all sorts of monsters and demons, yet so low-key that they sit at a roadside stall eating skewers and fried noodles while watching a show without revealing their identity. To everyone else, they're just an ordinary person. They wear a mask to save the world. No stories without a female lead.

Any Stories with a Cold, Emotionless Male Lead? Preferably Set in a Modern City

Any stories with a cold-blooded, aloof male lead? Ideally something set in a modern city.

Looking for a Fantasy Story with an Organized Assassin as the Protagonist, No Harem

Preferably fantasy.

Looking for a Novel Where the Male Protagonist Is a Killer

The male protagonist I accidentally saw before seemed to be a killer. He broke into the female protagonist's house. When the female protagonist woke up, she saw someone looking at her. Then I don't remember what the male protagonist was doing. But looking at the front, the female protagonist didn't seem to recognize the male protagonist.

Looking for Novels Where the Protagonist Joins a Modern Assassin Organization and Takes on Missions

I want books similar to *Ultimate Assassin: From the Start, a Nobody at the Continental Hotel*. Something like joining the Continental Hotel. Mainly, I want to see the protagonist fight foreigners.